114
129
Basically we keep looking up until we find the control directory or
115
130
run into the root. If there isn't one, raises NotBranchError.
116
If there is one and it is either an unrecognised format or an unsupported
117
format, UnknownFormatError or UnsupportedFormatError are raised.
118
131
If there is one, it is returned, along with the unused portion of url.
120
control, relpath = bzrdir.BzrDir.open_containing(url)
121
return control.open_branch(), relpath
133
t = get_transport(url)
136
return _Branch(t), t.relpath(url)
137
except NotBranchError:
139
new_t = t.clone('..')
140
if new_t.base == t.base:
141
# reached the root, whatever that may be
142
raise NotBranchError(path=url)
124
@deprecated_function(zero_eight)
125
146
def initialize(base):
126
"""Create a new working tree and branch, rooted at 'base' (url)
128
NOTE: This will soon be deprecated in favour of creation
131
return bzrdir.BzrDir.create_standalone_workingtree(base).branch
147
"""Create a new branch, rooted at 'base' (url)"""
148
t = get_transport(base)
149
return _Branch(t, init=True)
133
151
def setup_caching(self, cache_root):
134
152
"""Subclasses that care about caching should override this, and set
135
153
up cached stores located under cache_root.
137
# seems to be unused, 2006-01-13 mbp
138
warn('%s is deprecated' % self.setup_caching)
139
155
self.cache_root = cache_root
141
def get_config(self):
142
return bzrlib.config.BranchConfig(self)
145
return self.get_config().get_nickname()
147
def _set_nick(self, nick):
148
self.get_config().set_user_option('nickname', nick)
150
nick = property(_get_nick, _set_nick)
153
raise NotImplementedError('is_locked is abstract')
158
class _Branch(Branch):
159
"""A branch stored in the actual filesystem.
161
Note that it's "local" in the context of the filesystem; it doesn't
162
really matter if it's on an nfs/smb/afs/coda/... share, as long as
163
it's writable, and can be accessed via the normal filesystem API.
169
If _lock_mode is true, a positive count of the number of times the
173
Lock object from bzrlib.lock.
175
# We actually expect this class to be somewhat short-lived; part of its
176
# purpose is to try to isolate what bits of the branch logic are tied to
177
# filesystem access, so that in a later step, we can extricate them to
178
# a separarte ("storage") class.
182
_inventory_weave = None
184
# Map some sort of prefix into a namespace
185
# stuff like "revno:10", "revid:", etc.
186
# This should match a prefix with a function which accepts
187
REVISION_NAMESPACES = {}
189
def push_stores(self, branch_to):
190
"""Copy the content of this branches store to branch_to."""
191
if (self._branch_format != branch_to._branch_format
192
or self._branch_format != 4):
193
from bzrlib.fetch import greedy_fetch
194
mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
195
self, self._branch_format, branch_to, branch_to._branch_format)
196
greedy_fetch(to_branch=branch_to, from_branch=self,
197
revision=self.last_revision())
200
store_pairs = ((self.text_store, branch_to.text_store),
201
(self.inventory_store, branch_to.inventory_store),
202
(self.revision_store, branch_to.revision_store))
204
for from_store, to_store in store_pairs:
205
copy_all(from_store, to_store)
206
except UnlistableStore:
207
raise UnlistableBranch(from_store)
209
def __init__(self, transport, init=False,
210
relax_version_check=False):
211
"""Create new branch object at a particular location.
213
transport -- A Transport object, defining how to access files.
215
init -- If True, create new control files in a previously
216
unversioned directory. If False, the branch must already
219
relax_version_check -- If true, the usual check for the branch
220
version is not applied. This is intended only for
221
upgrade/recovery type use; it's not guaranteed that
222
all operations will work on old format branches.
224
In the test suite, creation of new trees is tested using the
225
`ScratchBranch` class.
227
assert isinstance(transport, Transport), \
228
"%r is not a Transport" % transport
229
self._transport = transport
232
self._check_format(relax_version_check)
234
def get_store(name, compressed=True, prefixed=False):
235
# FIXME: This approach of assuming stores are all entirely compressed
236
# or entirely uncompressed is tidy, but breaks upgrade from
237
# some existing branches where there's a mixture; we probably
238
# still want the option to look for both.
239
relpath = self._rel_controlfilename(name)
241
store = CompressedTextStore(self._transport.clone(relpath),
244
store = TextStore(self._transport.clone(relpath),
246
#if self._transport.should_cache():
247
# cache_path = os.path.join(self.cache_root, name)
248
# os.mkdir(cache_path)
249
# store = bzrlib.store.CachedStore(store, cache_path)
251
def get_weave(name, prefixed=False):
252
relpath = self._rel_controlfilename(name)
253
ws = WeaveStore(self._transport.clone(relpath), prefixed=prefixed)
254
if self._transport.should_cache():
255
ws.enable_cache = True
258
if self._branch_format == 4:
259
self.inventory_store = get_store('inventory-store')
260
self.text_store = get_store('text-store')
261
self.revision_store = get_store('revision-store')
262
elif self._branch_format == 5:
263
self.control_weaves = get_weave('')
264
self.weave_store = get_weave('weaves')
265
self.revision_store = get_store('revision-store', compressed=False)
266
elif self._branch_format == 6:
267
self.control_weaves = get_weave('')
268
self.weave_store = get_weave('weaves', prefixed=True)
269
self.revision_store = get_store('revision-store', compressed=False,
271
self.revision_store.register_suffix('sig')
272
self._transaction = None
275
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
280
if self._lock_mode or self._lock:
281
# XXX: This should show something every time, and be suitable for
282
# headless operation and embedding
283
warn("branch %r was not explicitly unlocked" % self)
286
# TODO: It might be best to do this somewhere else,
287
# but it is nice for a Branch object to automatically
288
# cache it's information.
289
# Alternatively, we could have the Transport objects cache requests
290
# See the earlier discussion about how major objects (like Branch)
291
# should never expect their __del__ function to run.
292
if hasattr(self, 'cache_root') and self.cache_root is not None:
294
shutil.rmtree(self.cache_root)
297
self.cache_root = None
301
return self._transport.base
304
base = property(_get_base, doc="The URL for the root of this branch.")
306
def _finish_transaction(self):
307
"""Exit the current transaction."""
308
if self._transaction is None:
309
raise errors.LockError('Branch %s is not in a transaction' %
311
transaction = self._transaction
312
self._transaction = None
315
def get_transaction(self):
316
"""Return the current active transaction.
318
If no transaction is active, this returns a passthrough object
319
for which all data is immediately flushed and no caching happens.
321
if self._transaction is None:
322
return transactions.PassThroughTransaction()
324
return self._transaction
326
def _set_transaction(self, new_transaction):
327
"""Set a new active transaction."""
328
if self._transaction is not None:
329
raise errors.LockError('Branch %s is in a transaction already.' %
331
self._transaction = new_transaction
155
333
def lock_write(self):
156
raise NotImplementedError('lock_write is abstract')
334
mutter("lock write: %s (%s)", self, self._lock_count)
335
# TODO: Upgrade locking to support using a Transport,
336
# and potentially a remote locking protocol
338
if self._lock_mode != 'w':
339
raise LockError("can't upgrade to a write lock from %r" %
341
self._lock_count += 1
343
self._lock = self._transport.lock_write(
344
self._rel_controlfilename('branch-lock'))
345
self._lock_mode = 'w'
347
self._set_transaction(transactions.PassThroughTransaction())
158
349
def lock_read(self):
159
raise NotImplementedError('lock_read is abstract')
350
mutter("lock read: %s (%s)", self, self._lock_count)
352
assert self._lock_mode in ('r', 'w'), \
353
"invalid lock mode %r" % self._lock_mode
354
self._lock_count += 1
356
self._lock = self._transport.lock_read(
357
self._rel_controlfilename('branch-lock'))
358
self._lock_mode = 'r'
360
self._set_transaction(transactions.ReadOnlyTransaction())
361
# 5K may be excessive, but hey, its a knob.
362
self.get_transaction().set_cache_size(5000)
161
364
def unlock(self):
162
raise NotImplementedError('unlock is abstract')
164
def peek_lock_mode(self):
165
"""Return lock mode for the Branch: 'r', 'w' or None"""
166
raise NotImplementedError(self.peek_lock_mode)
168
def get_physical_lock_status(self):
169
raise NotImplementedError('get_physical_lock_status is abstract')
365
mutter("unlock: %s (%s)", self, self._lock_count)
366
if not self._lock_mode:
367
raise LockError('branch %r is not locked' % (self))
369
if self._lock_count > 1:
370
self._lock_count -= 1
372
self._finish_transaction()
375
self._lock_mode = self._lock_count = None
171
377
def abspath(self, name):
172
378
"""Return absolute filename for something in the branch
174
380
XXX: Robert Collins 20051017 what is this used for? why is it a branch
175
381
method and not a tree method.
177
raise NotImplementedError('abspath is abstract')
179
def bind(self, other):
180
"""Bind the local branch the other branch.
182
:param other: The branch to bind to
185
raise errors.UpgradeRequired(self.base)
188
def fetch(self, from_branch, last_revision=None, pb=None):
189
"""Copy revisions from from_branch into this branch.
191
:param from_branch: Where to copy from.
192
:param last_revision: What revision to stop at (None for at the end
194
:param pb: An optional progress bar to use.
196
Returns the copied revision count and the failed revisions in a tuple:
199
if self.base == from_branch.base:
202
nested_pb = ui.ui_factory.nested_progress_bar()
383
return self._transport.abspath(name)
385
def _rel_controlfilename(self, file_or_path):
386
if not isinstance(file_or_path, basestring):
387
file_or_path = '/'.join(file_or_path)
388
if file_or_path == '':
390
return bzrlib.transport.urlescape(bzrlib.BZRDIR + '/' + file_or_path)
392
def controlfilename(self, file_or_path):
393
"""Return location relative to branch."""
394
return self._transport.abspath(self._rel_controlfilename(file_or_path))
396
def controlfile(self, file_or_path, mode='r'):
397
"""Open a control file for this branch.
399
There are two classes of file in the control directory: text
400
and binary. binary files are untranslated byte streams. Text
401
control files are stored with Unix newlines and in UTF-8, even
402
if the platform or locale defaults are different.
404
Controlfiles should almost never be opened in write mode but
405
rather should be atomically copied and replaced using atomicfile.
409
relpath = self._rel_controlfilename(file_or_path)
410
#TODO: codecs.open() buffers linewise, so it was overloaded with
411
# a much larger buffer, do we need to do the same for getreader/getwriter?
413
return self._transport.get(relpath)
415
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
417
# XXX: Do we really want errors='replace'? Perhaps it should be
418
# an error, or at least reported, if there's incorrectly-encoded
419
# data inside a file.
420
# <https://launchpad.net/products/bzr/+bug/3823>
421
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
423
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
207
from_branch.lock_read()
209
if last_revision is None:
210
pb.update('get source history')
211
from_history = from_branch.revision_history()
213
last_revision = from_history[-1]
425
raise BzrError("invalid controlfile mode %r" % mode)
427
def put_controlfile(self, path, f, encode=True):
428
"""Write an entry as a controlfile.
430
:param path: The path to put the file, relative to the .bzr control
432
:param f: A file-like or string object whose contents should be copied.
433
:param encode: If true, encode the contents as utf-8
435
self.put_controlfiles([(path, f)], encode=encode)
437
def put_controlfiles(self, files, encode=True):
438
"""Write several entries as controlfiles.
440
:param files: A list of [(path, file)] pairs, where the path is the directory
441
underneath the bzr control directory
442
:param encode: If true, encode the contents as utf-8
446
for path, f in files:
448
if isinstance(f, basestring):
449
f = f.encode('utf-8', 'replace')
215
# no history in the source branch
216
last_revision = revision.NULL_REVISION
217
return self.repository.fetch(from_branch.repository,
218
revision_id=last_revision,
221
if nested_pb is not None:
225
def get_bound_location(self):
226
"""Return the URL of the branch we are bound to.
228
Older format branches cannot bind, please be sure to use a metadir
233
def get_commit_builder(self, parents, config=None, timestamp=None,
234
timezone=None, committer=None, revprops=None,
236
"""Obtain a CommitBuilder for this branch.
238
:param parents: Revision ids of the parents of the new revision.
239
:param config: Optional configuration to use.
240
:param timestamp: Optional timestamp recorded for commit.
241
:param timezone: Optional timezone for timestamp.
242
:param committer: Optional committer to set for commit.
243
:param revprops: Optional dictionary of revision properties.
244
:param revision_id: Optional revision id.
248
config = self.get_config()
250
return self.repository.get_commit_builder(self, parents, config,
251
timestamp, timezone, committer, revprops, revision_id)
253
def get_master_branch(self):
254
"""Return the branch we are bound to.
256
:return: Either a Branch, or None
451
f = codecs.getwriter('utf-8')(f, errors='replace')
452
path = self._rel_controlfilename(path)
453
ctrl_files.append((path, f))
454
self._transport.put_multi(ctrl_files)
456
def _make_control(self):
457
from bzrlib.inventory import Inventory
458
from bzrlib.weavefile import write_weave_v5
459
from bzrlib.weave import Weave
461
# Create an empty inventory
463
# if we want per-tree root ids then this is the place to set
464
# them; they're not needed for now and so ommitted for
466
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
467
empty_inv = sio.getvalue()
469
bzrlib.weavefile.write_weave_v5(Weave(), sio)
470
empty_weave = sio.getvalue()
472
dirs = [[], 'revision-store', 'weaves']
474
"This is a Bazaar-NG control directory.\n"
475
"Do not change any files in this directory.\n"),
476
('branch-format', BZR_BRANCH_FORMAT_6),
477
('revision-history', ''),
480
('pending-merges', ''),
481
('inventory', empty_inv),
482
('inventory.weave', empty_weave),
483
('ancestry.weave', empty_weave)
485
cfn = self._rel_controlfilename
486
self._transport.mkdir_multi([cfn(d) for d in dirs])
487
self.put_controlfiles(files)
488
mutter('created control directory in ' + self._transport.base)
490
def _check_format(self, relax_version_check):
491
"""Check this branch format is supported.
493
The format level is stored, as an integer, in
494
self._branch_format for code that needs to check it later.
496
In the future, we might need different in-memory Branch
497
classes to support downlevel branches. But not yet.
500
fmt = self.controlfile('branch-format', 'r').read()
502
raise NotBranchError(path=self.base)
503
mutter("got branch format %r", fmt)
504
if fmt == BZR_BRANCH_FORMAT_6:
505
self._branch_format = 6
506
elif fmt == BZR_BRANCH_FORMAT_5:
507
self._branch_format = 5
508
elif fmt == BZR_BRANCH_FORMAT_4:
509
self._branch_format = 4
511
if (not relax_version_check
512
and self._branch_format not in (5, 6)):
513
raise errors.UnsupportedFormatError(
514
'sorry, branch format %r not supported' % fmt,
515
['use a different bzr version',
516
'or remove the .bzr directory'
517
' and "bzr init" again'])
519
def get_root_id(self):
520
"""Return the id of this branches root"""
521
inv = self.get_inventory(self.last_revision())
522
return inv.root.file_id
525
def add(self, files, ids=None):
526
"""Make files versioned.
528
Note that the command line normally calls smart_add instead,
529
which can automatically recurse.
531
This puts the files in the Added state, so that they will be
532
recorded by the next commit.
535
List of paths to add, relative to the base of the tree.
538
If set, use these instead of automatically generated ids.
539
Must be the same length as the list of files, but may
540
contain None for ids that are to be autogenerated.
542
TODO: Perhaps have an option to add the ids even if the files do
545
TODO: Perhaps yield the ids and paths as they're added.
547
# TODO: Re-adding a file that is removed in the working copy
548
# should probably put it back with the previous ID.
549
if isinstance(files, basestring):
550
assert(ids is None or isinstance(ids, basestring))
556
ids = [None] * len(files)
558
assert(len(ids) == len(files))
560
inv = self.working_tree().read_working_inventory()
561
for f,file_id in zip(files, ids):
562
if is_control_file(f):
563
raise BzrError("cannot add control file %s" % quotefn(f))
568
raise BzrError("cannot add top-level %r" % f)
570
fullpath = os.path.normpath(self.abspath(f))
573
kind = file_kind(fullpath)
575
# maybe something better?
576
raise BzrError('cannot add: not a regular file, symlink or directory: %s' % quotefn(f))
578
if not InventoryEntry.versionable_kind(kind):
579
raise BzrError('cannot add: not a versionable file ('
580
'i.e. regular file, symlink or directory): %s' % quotefn(f))
583
file_id = gen_file_id(f)
584
inv.add_path(f, kind=kind, file_id=file_id)
586
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
588
self.working_tree()._write_inventory(inv)
591
def print_file(self, file, revno):
592
"""Print `file` to stdout."""
593
tree = self.revision_tree(self.get_rev_id(revno))
594
# use inventory as it was in that revision
595
file_id = tree.inventory.path2id(file)
597
raise BzrError("%r is not present in revision %s" % (file, revno))
598
tree.print_file(file_id)
601
"""Return all unknown files.
603
These are files in the working directory that are not versioned or
604
control files or ignored.
606
>>> from bzrlib.workingtree import WorkingTree
607
>>> b = ScratchBranch(files=['foo', 'foo~'])
608
>>> map(str, b.unknowns())
611
>>> list(b.unknowns())
613
>>> WorkingTree(b.base, b).remove('foo')
614
>>> list(b.unknowns())
617
return self.working_tree().unknowns()
620
def append_revision(self, *revision_ids):
621
for revision_id in revision_ids:
622
mutter("add {%s} to revision-history" % revision_id)
623
rev_history = self.revision_history()
624
rev_history.extend(revision_ids)
625
self.set_revision_history(rev_history)
628
def set_revision_history(self, rev_history):
629
bound_loc = self.get_bound_location()
630
if bound_loc is not None:
631
# TODO: At this point, we could get a NotBranchError
632
# because we can't connect to the remote location.
633
# How do we distinguish this from a remote branch
634
# which has been deleted?
636
rev_history = self._update_remote_location(bound_loc,
638
except DivergedBranches:
639
raise errors.CannotInstallRevisions('Remote tree has commits.'
640
' Use bzr pull to come up to date')
641
self.put_controlfile('revision-history', '\n'.join(rev_history))
643
def has_revision(self, revision_id):
644
"""True if this branch has a copy of the revision.
646
This does not necessarily imply the revision is merge
647
or on the mainline."""
648
return (revision_id is None
649
or self.revision_store.has_id(revision_id))
652
def get_revision_xml_file(self, revision_id):
653
"""Return XML file object for revision object."""
654
if not revision_id or not isinstance(revision_id, basestring):
655
raise InvalidRevisionId(revision_id=revision_id, branch=self)
657
return self.revision_store.get(revision_id)
658
except (IndexError, KeyError):
659
raise bzrlib.errors.NoSuchRevision(self, revision_id)
662
get_revision_xml = get_revision_xml_file
664
def get_revision_xml(self, revision_id):
665
return self.get_revision_xml_file(revision_id).read()
668
def get_revision(self, revision_id):
669
"""Return the Revision object for a named revision"""
670
xml_file = self.get_revision_xml_file(revision_id)
673
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
674
except SyntaxError, e:
675
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
679
assert r.revision_id == revision_id
260
682
def get_revision_delta(self, revno):
261
683
"""Return the delta for one revision.
454
1117
if revno < 1 or revno > self.revno():
455
1118
raise InvalidRevisionNumber(revno)
458
def clone(self, *args, **kwargs):
459
"""Clone this branch into to_bzrdir preserving all semantic values.
461
revision_id: if not None, the revision history in the new branch will
462
be truncated to end with revision_id.
464
# for API compatibility, until 0.8 releases we provide the old api:
465
# def clone(self, to_location, revision=None, basis_branch=None, to_branch_format=None):
466
# after 0.8 releases, the *args and **kwargs should be changed:
467
# def clone(self, to_bzrdir, revision_id=None):
468
if (kwargs.get('to_location', None) or
469
kwargs.get('revision', None) or
470
kwargs.get('basis_branch', None) or
471
(len(args) and isinstance(args[0], basestring))):
472
# backwards compatibility api:
473
warn("Branch.clone() has been deprecated for BzrDir.clone() from"
474
" bzrlib 0.8.", DeprecationWarning, stacklevel=3)
477
basis_branch = args[2]
479
basis_branch = kwargs.get('basis_branch', None)
481
basis = basis_branch.bzrdir
486
revision_id = args[1]
488
revision_id = kwargs.get('revision', None)
493
# no default to raise if not provided.
494
url = kwargs.get('to_location')
495
return self.bzrdir.clone(url,
496
revision_id=revision_id,
497
basis=basis).open_branch()
499
# generate args by hand
501
revision_id = args[1]
503
revision_id = kwargs.get('revision_id', None)
507
# no default to raise if not provided.
508
to_bzrdir = kwargs.get('to_bzrdir')
509
result = self._format.initialize(to_bzrdir)
510
self.copy_content_into(result, revision_id=revision_id)
514
def sprout(self, to_bzrdir, revision_id=None):
515
"""Create a new line of development from the branch, into to_bzrdir.
517
revision_id: if not None, the revision history in the new branch will
518
be truncated to end with revision_id.
520
result = self._format.initialize(to_bzrdir)
521
self.copy_content_into(result, revision_id=revision_id)
522
result.set_parent(self.bzrdir.root_transport.base)
526
def copy_content_into(self, destination, revision_id=None):
527
"""Copy the content of self into destination.
529
revision_id: if not None, the revision history in the new branch will
530
be truncated to end with revision_id.
532
new_history = self.revision_history()
533
if revision_id is not None:
535
new_history = new_history[:new_history.index(revision_id) + 1]
537
rev = self.repository.get_revision(revision_id)
538
new_history = rev.get_history(self.repository)[1:]
539
destination.set_revision_history(new_history)
540
parent = self.get_parent()
542
destination.set_parent(parent)
546
"""Check consistency of the branch.
548
In particular this checks that revisions given in the revision-history
549
do actually match up in the revision graph, and that they're all
550
present in the repository.
552
Callers will typically also want to check the repository.
554
:return: A BranchCheckResult.
556
mainline_parent_id = None
557
for revision_id in self.revision_history():
559
revision = self.repository.get_revision(revision_id)
560
except errors.NoSuchRevision, e:
561
raise errors.BzrCheckError("mainline revision {%s} not in repository"
563
# In general the first entry on the revision history has no parents.
564
# But it's not illegal for it to have parents listed; this can happen
565
# in imports from Arch when the parents weren't reachable.
566
if mainline_parent_id is not None:
567
if mainline_parent_id not in revision.parent_ids:
568
raise errors.BzrCheckError("previous revision {%s} not listed among "
570
% (mainline_parent_id, revision_id))
571
mainline_parent_id = revision_id
572
return BranchCheckResult(self)
575
class BranchFormat(object):
576
"""An encapsulation of the initialization and open routines for a format.
578
Formats provide three things:
579
* An initialization routine,
583
Formats are placed in an dict by their format string for reference
584
during branch opening. Its not required that these be instances, they
585
can be classes themselves with class methods - it simply depends on
586
whether state is needed for a given format or not.
588
Once a format is deprecated, just deprecate the initialize and open
589
methods on the format class. Do not deprecate the object, as the
590
object will be created every time regardless.
593
_default_format = None
594
"""The default format used for new branches."""
597
"""The known formats."""
600
def find_format(klass, a_bzrdir):
601
"""Return the format for the branch object in a_bzrdir."""
1120
def sign_revision(self, revision_id, gpg_strategy):
1121
plaintext = Testament.from_revision(self, revision_id).as_short_text()
1122
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
1125
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
1126
self.revision_store.add(StringIO(gpg_strategy.sign(plaintext)),
1129
# Do we want a read lock?
1130
def get_bound_location(self):
1131
bound_path = self._rel_controlfilename('bound')
603
transport = a_bzrdir.get_branch_transport(None)
604
format_string = transport.get("format").read()
605
return klass._formats[format_string]
1133
f = self._transport.get(bound_path)
606
1134
except NoSuchFile:
607
raise NotBranchError(path=transport.base)
609
raise errors.UnknownFormatError(format=format_string)
612
def get_default_format(klass):
613
"""Return the current default format."""
614
return klass._default_format
616
def get_format_string(self):
617
"""Return the ASCII format string that identifies this format."""
618
raise NotImplementedError(self.get_format_string)
620
def get_format_description(self):
621
"""Return the short format description for this format."""
622
raise NotImplementedError(self.get_format_string)
624
def initialize(self, a_bzrdir):
625
"""Create a branch of this format in a_bzrdir."""
626
raise NotImplementedError(self.initialize)
628
def is_supported(self):
629
"""Is this format supported?
631
Supported formats can be initialized and opened.
632
Unsupported formats may not support initialization or committing or
633
some other features depending on the reason for not being supported.
637
def open(self, a_bzrdir, _found=False):
638
"""Return the branch object for a_bzrdir
640
_found is a private parameter, do not use it. It is used to indicate
641
if format probing has already be done.
643
raise NotImplementedError(self.open)
646
def register_format(klass, format):
647
klass._formats[format.get_format_string()] = format
650
def set_default_format(klass, format):
651
klass._default_format = format
654
def unregister_format(klass, format):
655
assert klass._formats[format.get_format_string()] is format
656
del klass._formats[format.get_format_string()]
659
return self.get_format_string().rstrip()
662
class BzrBranchFormat4(BranchFormat):
663
"""Bzr branch format 4.
666
- a revision-history file.
667
- a branch-lock lock file [ to be shared with the bzrdir ]
670
def get_format_description(self):
671
"""See BranchFormat.get_format_description()."""
672
return "Branch format 4"
674
def initialize(self, a_bzrdir):
675
"""Create a branch of this format in a_bzrdir."""
676
mutter('creating branch in %s', a_bzrdir.transport.base)
677
branch_transport = a_bzrdir.get_branch_transport(self)
678
utf8_files = [('revision-history', ''),
681
control_files = LockableFiles(branch_transport, 'branch-lock',
683
control_files.create_lock()
684
control_files.lock_write()
686
for file, content in utf8_files:
687
control_files.put_utf8(file, content)
689
control_files.unlock()
690
return self.open(a_bzrdir, _found=True)
693
super(BzrBranchFormat4, self).__init__()
694
self._matchingbzrdir = bzrdir.BzrDirFormat6()
696
def open(self, a_bzrdir, _found=False):
697
"""Return the branch object for a_bzrdir
699
_found is a private parameter, do not use it. It is used to indicate
700
if format probing has already be done.
703
# we are being called directly and must probe.
704
raise NotImplementedError
705
return BzrBranch(_format=self,
706
_control_files=a_bzrdir._control_files,
708
_repository=a_bzrdir.open_repository())
711
return "Bazaar-NG branch format 4"
714
class BzrBranchFormat5(BranchFormat):
715
"""Bzr branch format 5.
718
- a revision-history file.
720
- a lock dir guarding the branch itself
721
- all of this stored in a branch/ subdirectory
722
- works with shared repositories.
724
This format is new in bzr 0.8.
727
def get_format_string(self):
728
"""See BranchFormat.get_format_string()."""
729
return "Bazaar-NG branch format 5\n"
731
def get_format_description(self):
732
"""See BranchFormat.get_format_description()."""
733
return "Branch format 5"
735
def initialize(self, a_bzrdir):
736
"""Create a branch of this format in a_bzrdir."""
737
mutter('creating branch %r in %s', self, a_bzrdir.transport.base)
738
branch_transport = a_bzrdir.get_branch_transport(self)
739
utf8_files = [('revision-history', ''),
742
control_files = LockableFiles(branch_transport, 'lock', lockdir.LockDir)
743
control_files.create_lock()
744
control_files.lock_write()
745
control_files.put_utf8('format', self.get_format_string())
747
for file, content in utf8_files:
748
control_files.put_utf8(file, content)
750
control_files.unlock()
751
return self.open(a_bzrdir, _found=True, )
754
super(BzrBranchFormat5, self).__init__()
755
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
757
def open(self, a_bzrdir, _found=False):
758
"""Return the branch object for a_bzrdir
760
_found is a private parameter, do not use it. It is used to indicate
761
if format probing has already be done.
764
format = BranchFormat.find_format(a_bzrdir)
765
assert format.__class__ == self.__class__
766
transport = a_bzrdir.get_branch_transport(None)
767
control_files = LockableFiles(transport, 'lock', lockdir.LockDir)
768
return BzrBranch5(_format=self,
769
_control_files=control_files,
771
_repository=a_bzrdir.find_repository())
774
return "Bazaar-NG Metadir branch format 5"
777
class BranchReferenceFormat(BranchFormat):
778
"""Bzr branch reference format.
780
Branch references are used in implementing checkouts, they
781
act as an alias to the real branch which is at some other url.
788
def get_format_string(self):
789
"""See BranchFormat.get_format_string()."""
790
return "Bazaar-NG Branch Reference Format 1\n"
792
def get_format_description(self):
793
"""See BranchFormat.get_format_description()."""
794
return "Checkout reference format 1"
796
def initialize(self, a_bzrdir, target_branch=None):
797
"""Create a branch of this format in a_bzrdir."""
798
if target_branch is None:
799
# this format does not implement branch itself, thus the implicit
800
# creation contract must see it as uninitializable
801
raise errors.UninitializableFormat(self)
802
mutter('creating branch reference in %s', a_bzrdir.transport.base)
803
branch_transport = a_bzrdir.get_branch_transport(self)
804
# FIXME rbc 20060209 one j-a-ms encoding branch lands this str() cast is not needed.
805
branch_transport.put('location', StringIO(str(target_branch.bzrdir.root_transport.base)))
806
branch_transport.put('format', StringIO(self.get_format_string()))
807
return self.open(a_bzrdir, _found=True)
810
super(BranchReferenceFormat, self).__init__()
811
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
813
def _make_reference_clone_function(format, a_branch):
814
"""Create a clone() routine for a branch dynamically."""
815
def clone(to_bzrdir, revision_id=None):
816
"""See Branch.clone()."""
817
return format.initialize(to_bzrdir, a_branch)
818
# cannot obey revision_id limits when cloning a reference ...
819
# FIXME RBC 20060210 either nuke revision_id for clone, or
820
# emit some sort of warning/error to the caller ?!
823
def open(self, a_bzrdir, _found=False):
824
"""Return the branch that the branch reference in a_bzrdir points at.
826
_found is a private parameter, do not use it. It is used to indicate
827
if format probing has already be done.
830
format = BranchFormat.find_format(a_bzrdir)
831
assert format.__class__ == self.__class__
832
transport = a_bzrdir.get_branch_transport(None)
833
real_bzrdir = bzrdir.BzrDir.open(transport.get('location').read())
834
result = real_bzrdir.open_branch()
835
# this changes the behaviour of result.clone to create a new reference
836
# rather than a copy of the content of the branch.
837
# I did not use a proxy object because that needs much more extensive
838
# testing, and we are only changing one behaviour at the moment.
839
# If we decide to alter more behaviours - i.e. the implicit nickname
840
# then this should be refactored to introduce a tested proxy branch
841
# and a subclass of that for use in overriding clone() and ....
843
result.clone = self._make_reference_clone_function(result)
847
# formats which have no format string are not discoverable
848
# and not independently creatable, so are not registered.
849
__default_format = BzrBranchFormat5()
850
BranchFormat.register_format(__default_format)
851
BranchFormat.register_format(BranchReferenceFormat())
852
BranchFormat.set_default_format(__default_format)
853
_legacy_formats = [BzrBranchFormat4(),
856
class BzrBranch(Branch):
857
"""A branch stored in the actual filesystem.
859
Note that it's "local" in the context of the filesystem; it doesn't
860
really matter if it's on an nfs/smb/afs/coda/... share, as long as
861
it's writable, and can be accessed via the normal filesystem API.
864
def __init__(self, transport=DEPRECATED_PARAMETER, init=DEPRECATED_PARAMETER,
865
relax_version_check=DEPRECATED_PARAMETER, _format=None,
866
_control_files=None, a_bzrdir=None, _repository=None):
867
"""Create new branch object at a particular location.
869
transport -- A Transport object, defining how to access files.
871
init -- If True, create new control files in a previously
872
unversioned directory. If False, the branch must already
875
relax_version_check -- If true, the usual check for the branch
876
version is not applied. This is intended only for
877
upgrade/recovery type use; it's not guaranteed that
878
all operations will work on old format branches.
881
self.bzrdir = bzrdir.BzrDir.open(transport.base)
883
self.bzrdir = a_bzrdir
884
self._transport = self.bzrdir.transport.clone('..')
885
self._base = self._transport.base
886
self._format = _format
887
if _control_files is None:
888
raise ValueError('BzrBranch _control_files is None')
889
self.control_files = _control_files
890
if deprecated_passed(init):
891
warn("BzrBranch.__init__(..., init=XXX): The init parameter is "
892
"deprecated as of bzr 0.8. Please use Branch.create().",
896
# this is slower than before deprecation, oh well never mind.
898
self._initialize(transport.base)
899
self._check_format(_format)
900
if deprecated_passed(relax_version_check):
901
warn("BzrBranch.__init__(..., relax_version_check=XXX_: The "
902
"relax_version_check parameter is deprecated as of bzr 0.8. "
903
"Please use BzrDir.open_downlevel, or a BzrBranchFormat's "
907
if (not relax_version_check
908
and not self._format.is_supported()):
909
raise errors.UnsupportedFormatError(format=fmt)
910
if deprecated_passed(transport):
911
warn("BzrBranch.__init__(transport=XXX...): The transport "
912
"parameter is deprecated as of bzr 0.8. "
913
"Please use Branch.open, or bzrdir.open_branch().",
916
self.repository = _repository
919
return '%s(%r)' % (self.__class__.__name__, self.base)
924
# TODO: It might be best to do this somewhere else,
925
# but it is nice for a Branch object to automatically
926
# cache it's information.
927
# Alternatively, we could have the Transport objects cache requests
928
# See the earlier discussion about how major objects (like Branch)
929
# should never expect their __del__ function to run.
930
# XXX: cache_root seems to be unused, 2006-01-13 mbp
931
if hasattr(self, 'cache_root') and self.cache_root is not None:
933
osutils.rmtree(self.cache_root)
936
self.cache_root = None
941
base = property(_get_base, doc="The URL for the root of this branch.")
943
def _finish_transaction(self):
944
"""Exit the current transaction."""
945
return self.control_files._finish_transaction()
947
def get_transaction(self):
948
"""Return the current active transaction.
950
If no transaction is active, this returns a passthrough object
951
for which all data is immediately flushed and no caching happens.
953
# this is an explicit function so that we can do tricky stuff
954
# when the storage in rev_storage is elsewhere.
955
# we probably need to hook the two 'lock a location' and
956
# 'have a transaction' together more delicately, so that
957
# we can have two locks (branch and storage) and one transaction
958
# ... and finishing the transaction unlocks both, but unlocking
959
# does not. - RBC 20051121
960
return self.control_files.get_transaction()
962
def _set_transaction(self, transaction):
963
"""Set a new active transaction."""
964
return self.control_files._set_transaction(transaction)
966
def abspath(self, name):
967
"""See Branch.abspath."""
968
return self.control_files._transport.abspath(name)
970
def _check_format(self, format):
971
"""Identify the branch format if needed.
973
The format is stored as a reference to the format object in
974
self._format for code that needs to check it later.
976
The format parameter is either None or the branch format class
977
used to open this branch.
979
FIXME: DELETE THIS METHOD when pre 0.8 support is removed.
982
format = BranchFormat.find_format(self.bzrdir)
983
self._format = format
984
mutter("got branch format %s", self._format)
987
def get_root_id(self):
988
"""See Branch.get_root_id."""
989
tree = self.repository.revision_tree(self.last_revision())
990
return tree.inventory.root.file_id
993
return self.control_files.is_locked()
995
def lock_write(self):
996
# TODO: test for failed two phase locks. This is known broken.
997
self.control_files.lock_write()
998
self.repository.lock_write()
1000
def lock_read(self):
1001
# TODO: test for failed two phase locks. This is known broken.
1002
self.control_files.lock_read()
1003
self.repository.lock_read()
1006
# TODO: test for failed two phase locks. This is known broken.
1008
self.repository.unlock()
1010
self.control_files.unlock()
1012
def peek_lock_mode(self):
1013
if self.control_files._lock_count == 0:
1016
return self.control_files._lock_mode
1018
def get_physical_lock_status(self):
1019
return self.control_files.get_physical_lock_status()
1022
def print_file(self, file, revision_id):
1023
"""See Branch.print_file."""
1024
return self.repository.print_file(file, revision_id)
1027
def append_revision(self, *revision_ids):
1028
"""See Branch.append_revision."""
1029
for revision_id in revision_ids:
1030
mutter("add {%s} to revision-history" % revision_id)
1031
rev_history = self.revision_history()
1032
rev_history.extend(revision_ids)
1033
self.set_revision_history(rev_history)
1036
def set_revision_history(self, rev_history):
1037
"""See Branch.set_revision_history."""
1038
self.control_files.put_utf8(
1039
'revision-history', '\n'.join(rev_history))
1040
transaction = self.get_transaction()
1041
history = transaction.map.find_revision_history()
1042
if history is not None:
1043
# update the revision history in the identity map.
1044
history[:] = list(rev_history)
1045
# this call is disabled because revision_history is
1046
# not really an object yet, and the transaction is for objects.
1047
# transaction.register_dirty(history)
1049
transaction.map.add_revision_history(rev_history)
1050
# this call is disabled because revision_history is
1051
# not really an object yet, and the transaction is for objects.
1052
# transaction.register_clean(history)
1055
def revision_history(self):
1056
"""See Branch.revision_history."""
1057
transaction = self.get_transaction()
1058
history = transaction.map.find_revision_history()
1059
if history is not None:
1060
mutter("cache hit for revision-history in %s", self)
1061
return list(history)
1062
history = [l.rstrip('\r\n') for l in
1063
self.control_files.get_utf8('revision-history').readlines()]
1064
transaction.map.add_revision_history(history)
1065
# this call is disabled because revision_history is
1066
# not really an object yet, and the transaction is for objects.
1067
# transaction.register_clean(history, precious=True)
1068
return list(history)
1071
def generate_revision_history(self, revision_id, last_rev=None,
1073
"""Create a new revision history that will finish with revision_id.
1075
:param revision_id: the new tip to use.
1076
:param last_rev: The previous last_revision. If not None, then this
1077
must be a ancestory of revision_id, or DivergedBranches is raised.
1078
:param other_branch: The other branch that DivergedBranches should
1079
raise with respect to.
1081
# stop_revision must be a descendant of last_revision
1082
stop_graph = self.repository.get_revision_graph(revision_id)
1083
if last_rev is not None and last_rev not in stop_graph:
1084
# our previous tip is not merged into stop_revision
1085
raise errors.DivergedBranches(self, other_branch)
1086
# make a new revision history from the graph
1087
current_rev_id = revision_id
1089
while current_rev_id not in (None, revision.NULL_REVISION):
1090
new_history.append(current_rev_id)
1091
current_rev_id_parents = stop_graph[current_rev_id]
1093
current_rev_id = current_rev_id_parents[0]
1095
current_rev_id = None
1096
new_history.reverse()
1097
self.set_revision_history(new_history)
1100
def update_revisions(self, other, stop_revision=None):
1101
"""See Branch.update_revisions."""
1104
if stop_revision is None:
1105
stop_revision = other.last_revision()
1106
if stop_revision is None:
1107
# if there are no commits, we're done.
1109
# whats the current last revision, before we fetch [and change it
1111
last_rev = self.last_revision()
1112
# we fetch here regardless of whether we need to so that we pickup
1114
self.fetch(other, stop_revision)
1115
my_ancestry = self.repository.get_ancestry(last_rev)
1116
if stop_revision in my_ancestry:
1117
# last_revision is a descendant of stop_revision
1119
self.generate_revision_history(stop_revision, last_rev=last_rev,
1124
def basis_tree(self):
1125
"""See Branch.basis_tree."""
1126
return self.repository.revision_tree(self.last_revision())
1128
@deprecated_method(zero_eight)
1129
def working_tree(self):
1130
"""Create a Working tree object for this branch."""
1132
from bzrlib.transport.local import LocalTransport
1133
if (self.base.find('://') != -1 or
1134
not isinstance(self._transport, LocalTransport)):
1135
raise NoWorkingTree(self.base)
1136
return self.bzrdir.open_workingtree()
1139
def pull(self, source, overwrite=False, stop_revision=None):
1140
"""See Branch.pull."""
1143
old_count = len(self.revision_history())
1145
self.update_revisions(source,stop_revision)
1146
except DivergedBranches:
1150
self.set_revision_history(source.revision_history())
1151
new_count = len(self.revision_history())
1152
return new_count - old_count
1156
def get_parent(self):
1157
"""See Branch.get_parent."""
1159
_locs = ['parent', 'pull', 'x-pull']
1160
assert self.base[-1] == '/'
1163
parent = self.control_files.get(l).read().strip('\n')
1166
# This is an old-format absolute path to a local branch
1167
# turn it into a url
1168
if parent.startswith('/'):
1169
parent = urlutils.local_path_to_url(parent.decode('utf8'))
1170
return urlutils.join(self.base[:-1], parent)
1173
def get_push_location(self):
1174
"""See Branch.get_push_location."""
1175
push_loc = self.get_config().get_user_option('push_location')
1178
def set_push_location(self, location):
1179
"""See Branch.set_push_location."""
1180
self.get_config().set_user_option('push_location', location,
1184
def set_parent(self, url):
1185
"""See Branch.set_parent."""
1186
# TODO: Maybe delete old location files?
1187
# URLs should never be unicode, even on the local fs,
1188
# FIXUP this and get_parent in a future branch format bump:
1189
# read and rewrite the file, and have the new format code read
1190
# using .get not .get_utf8. RBC 20060125
1192
self.control_files._transport.delete('parent')
1194
if isinstance(url, unicode):
1196
url = url.encode('ascii')
1197
except UnicodeEncodeError:
1198
raise bzrlib.errors.InvalidURL(url,
1199
"Urls must be 7-bit ascii, "
1200
"use bzrlib.urlutils.escape")
1202
url = urlutils.relative_url(self.base, url)
1203
self.control_files.put('parent', url + '\n')
1205
@deprecated_function(zero_nine)
1206
def tree_config(self):
1207
"""DEPRECATED; call get_config instead.
1208
TreeConfig has become part of BranchConfig."""
1209
return TreeConfig(self)
1212
class BzrBranch5(BzrBranch):
1213
"""A format 5 branch. This supports new features over plan branches.
1215
It has support for a master_branch which is the data for bound branches.
1223
super(BzrBranch5, self).__init__(_format=_format,
1224
_control_files=_control_files,
1226
_repository=_repository)
1229
def pull(self, source, overwrite=False, stop_revision=None):
1230
"""Updates branch.pull to be bound branch aware."""
1231
bound_location = self.get_bound_location()
1232
if source.base != bound_location:
1233
# not pulling from master, so we need to update master.
1234
master_branch = self.get_master_branch()
1236
master_branch.pull(source)
1237
source = master_branch
1238
return super(BzrBranch5, self).pull(source, overwrite, stop_revision)
1240
def get_bound_location(self):
1242
return self.control_files.get_utf8('bound').read()[:-1]
1243
except errors.NoSuchFile:
1247
def get_master_branch(self):
1248
"""Return the branch we are bound to.
1250
:return: Either a Branch, or None
1252
This could memoise the branch, but if thats done
1253
it must be revalidated on each new lock.
1254
So for now we just don't memoise it.
1255
# RBC 20060304 review this decision.
1257
bound_loc = self.get_bound_location()
1261
return Branch.open(bound_loc)
1262
except (errors.NotBranchError, errors.ConnectionError), e:
1263
raise errors.BoundBranchConnectionFailure(
1137
return f.read().strip()
1266
1139
@needs_write_lock
1267
1140
def set_bound_location(self, location):
1268
"""Set the target where this branch is bound to.
1270
:param location: URL to the target branch
1273
self.control_files.put_utf8('bound', location+'\n')
1276
self.control_files._transport.delete('bound')
1141
self.put_controlfile('bound', location+'\n')
1281
1143
@needs_write_lock
1282
1144
def bind(self, other):
1303
1164
# There may be a different check you could do here
1304
1165
# rather than actually trying to install revisions remotely.
1305
1166
# TODO: capture an exception which indicates the remote branch
1307
1168
# If it is up-to-date, this probably should not be a failure
1309
# lock other for write so the revision-history syncing cannot race
1170
other.working_tree().pull(self)
1171
except NoWorkingTree:
1312
1172
other.pull(self)
1313
# if this does not error, other now has the same last rev we do
1314
# it can only error if the pull from other was concurrent with
1315
# a commit to other from someone else.
1317
# until we ditch revision-history, we need to sync them up:
1318
self.set_revision_history(other.revision_history())
1319
# now other and self are up to date with each other and have the
1320
# same revision-history.
1174
# Make sure the revision histories are now identical
1175
other_rh = other.revision_history()
1176
self.set_revision_history(other_rh)
1178
# Both branches should now be at the same revision
1324
1179
self.set_bound_location(other.base)
1326
1181
@needs_write_lock
1327
1182
def unbind(self):
1328
1183
"""If bound, unbind"""
1329
return self.set_bound_location(None)
1333
"""Synchronise this branch with the master branch if any.
1335
:return: None or the last_revision that was pivoted out during the
1184
bound_path = self._rel_controlfilename('bound')
1186
self._transport.delete(bound_path)
1191
def _update_remote_location(self, other_loc, revision_history):
1192
"""Make sure the remote location has the local changes.
1194
:param other_loc: Path to the other location
1195
:param revision_history: Total history to be updated
1196
:return: The remote revision_history
1338
master = self.get_master_branch()
1339
if master is not None:
1340
old_tip = self.last_revision()
1341
self.pull(master, overwrite=True)
1342
if old_tip in self.repository.get_ancestry(self.last_revision()):
1348
class BranchTestProviderAdapter(object):
1349
"""A tool to generate a suite testing multiple branch formats at once.
1351
This is done by copying the test once for each transport and injecting
1352
the transport_server, transport_readonly_server, and branch_format
1353
classes into each copy. Each copy is also given a new id() to make it
1198
from bzrlib.fetch import greedy_fetch
1199
mutter('_update_remote_location: %r, %r', other_loc, revision_history)
1200
other = Branch.open(other_loc)
1201
bound_loc = other.get_bound_location()
1202
if bound_loc is not None:
1203
raise errors.CannotInstallRevisions('Remote tree is bound')
1206
# update_revisions should also append to the revision history.
1207
other.update_revisions(self, other_history=revision_history)
1208
return other.revision_history()
1213
class ScratchBranch(_Branch):
1214
"""Special test class: a branch that cleans up after itself.
1216
>>> b = ScratchBranch()
1220
>>> b._transport.__del__()
1357
def __init__(self, transport_server, transport_readonly_server, formats):
1358
self._transport_server = transport_server
1359
self._transport_readonly_server = transport_readonly_server
1360
self._formats = formats
1225
def __init__(self, files=[], dirs=[], transport=None):
1226
"""Make a test branch.
1228
This creates a temporary directory and runs init-tree in it.
1230
If any files are listed, they are created in the working copy.
1232
if transport is None:
1233
transport = bzrlib.transport.local.ScratchTransport()
1234
super(ScratchBranch, self).__init__(transport, init=True)
1236
super(ScratchBranch, self).__init__(transport)
1239
self._transport.mkdir(d)
1242
self._transport.put(f, 'content of %s' % f)
1247
>>> orig = ScratchBranch(files=["file1", "file2"])
1248
>>> clone = orig.clone()
1249
>>> if os.name != 'nt':
1250
... os.path.samefile(orig.base, clone.base)
1252
... orig.base == clone.base
1255
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1258
from shutil import copytree
1259
from tempfile import mkdtemp
1262
copytree(self.base, base, symlinks=True)
1263
return ScratchBranch(
1264
transport=bzrlib.transport.local.ScratchTransport(base))
1362
def adapt(self, test):
1363
result = TestSuite()
1364
for branch_format, bzrdir_format in self._formats:
1365
new_test = deepcopy(test)
1366
new_test.transport_server = self._transport_server
1367
new_test.transport_readonly_server = self._transport_readonly_server
1368
new_test.bzrdir_format = bzrdir_format
1369
new_test.branch_format = branch_format
1370
def make_new_test_id():
1371
new_id = "%s(%s)" % (new_test.id(), branch_format.__class__.__name__)
1372
return lambda: new_id
1373
new_test.id = make_new_test_id()
1374
result.addTest(new_test)
1378
class BranchCheckResult(object):
1379
"""Results of checking branch consistency.
1384
def __init__(self, branch):
1385
self.branch = branch
1387
def report_results(self, verbose):
1388
"""Report the check results via trace.note.
1390
:param verbose: Requests more detailed display of what was checked,
1393
note('checked branch %s format %s',
1395
self.branch._format)
1398
1267
######################################################################
1402
@deprecated_function(zero_eight)
1403
def is_control_file(*args, **kwargs):
1404
"""See bzrlib.workingtree.is_control_file."""
1405
return bzrlib.workingtree.is_control_file(*args, **kwargs)
1271
def is_control_file(filename):
1272
## FIXME: better check
1273
filename = os.path.normpath(filename)
1274
while filename != '':
1275
head, tail = os.path.split(filename)
1276
## mutter('check %r for control file' % ((head, tail), ))
1277
if tail == bzrlib.BZRDIR:
1279
if filename == head:
1286
def gen_file_id(name):
1287
"""Return new file id.
1289
This should probably generate proper UUIDs, but for the moment we
1290
cope with just randomness because running uuidgen every time is
1293
from binascii import hexlify
1294
from time import time
1296
# get last component
1297
idx = name.rfind('/')
1299
name = name[idx+1 : ]
1300
idx = name.rfind('\\')
1302
name = name[idx+1 : ]
1304
# make it not a hidden file
1305
name = name.lstrip('.')
1307
# remove any wierd characters; we don't escape them but rather
1308
# just pull them out
1309
name = re.sub(r'[^\w.]', '', name)
1311
s = hexlify(rand_bytes(8))
1312
return '-'.join((name, compact_date(time()), s))
1316
"""Return a new tree-root file id."""
1317
return gen_file_id('TREE_ROOT')