89
119
Base directory/url of the branch.
91
# this is really an instance variable - FIXME move it there
95
123
def __init__(self, *ignored, **ignored_too):
96
124
raise NotImplementedError('The Branch class is abstract')
99
"""Break a lock if one is present from another instance.
101
Uses the ui factory to ask for confirmation if the lock may be from
104
This will probe the repository for its lock as well.
106
self.control_files.break_lock()
107
self.repository.break_lock()
108
master = self.get_master_branch()
109
if master is not None:
113
@deprecated_method(zero_eight)
114
def open_downlevel(base):
115
"""Open a branch which may be of an old format."""
116
return Branch.open(base, _unsupported=True)
119
def open(base, _unsupported=False):
120
"""Open the repository rooted at base.
122
For instance, if the repository is at URL/.bzr/repository,
123
Repository.open(URL) -> a Repository instance.
125
control = bzrdir.BzrDir.open(base, _unsupported)
126
return control.open_branch(_unsupported)
128
"""Open an existing branch, rooted at 'base' (url)"""
129
if base and (base.startswith('http://') or base.startswith('https://')):
130
from bzrlib.remotebranch import RemoteBranch
131
return RemoteBranch(base, find_root=False)
133
return LocalBranch(base, find_root=False)
129
136
def open_containing(url):
130
"""Open an existing branch which contains url.
132
This probes for a branch at url, and searches upwards from there.
134
Basically we keep looking up until we find the control directory or
135
run into the root. If there isn't one, raises NotBranchError.
136
If there is one and it is either an unrecognised format or an unsupported
137
format, UnknownFormatError or UnsupportedFormatError are raised.
138
If there is one, it is returned, along with the unused portion of url.
137
"""Open an existing branch, containing url (search upwards for the root)
140
control, relpath = bzrdir.BzrDir.open_containing(url)
141
return control.open_branch(), relpath
139
if url and (url.startswith('http://') or url.startswith('https://')):
140
from bzrlib.remotebranch import RemoteBranch
141
return RemoteBranch(url)
143
return LocalBranch(url)
144
@deprecated_function(zero_eight)
145
146
def initialize(base):
146
"""Create a new working tree and branch, rooted at 'base' (url)
148
NOTE: This will soon be deprecated in favour of creation
151
return bzrdir.BzrDir.create_standalone_workingtree(base).branch
147
"""Create a new branch, rooted at 'base' (url)"""
148
if base and (base.startswith('http://') or base.startswith('https://')):
149
from bzrlib.remotebranch import RemoteBranch
150
return RemoteBranch(base, init=True)
152
return LocalBranch(base, init=True)
153
154
def setup_caching(self, cache_root):
154
155
"""Subclasses that care about caching should override this, and set
155
156
up cached stores located under cache_root.
157
# seems to be unused, 2006-01-13 mbp
158
warn('%s is deprecated' % self.setup_caching)
159
self.cache_root = cache_root
162
cfg = self.tree_config()
163
return cfg.get_option(u"nickname", default=self.base.split('/')[-2])
165
def _set_nick(self, nick):
166
cfg = self.tree_config()
167
cfg.set_option(nick, "nickname")
168
assert cfg.get_option("nickname") == nick
170
nick = property(_get_nick, _set_nick)
173
raise NotImplementedError('is_locked is abstract')
160
class LocalBranch(Branch):
161
"""A branch stored in the actual filesystem.
163
Note that it's "local" in the context of the filesystem; it doesn't
164
really matter if it's on an nfs/smb/afs/coda/... share, as long as
165
it's writable, and can be accessed via the normal filesystem API.
171
If _lock_mode is true, a positive count of the number of times the
175
Lock object from bzrlib.lock.
177
# We actually expect this class to be somewhat short-lived; part of its
178
# purpose is to try to isolate what bits of the branch logic are tied to
179
# filesystem access, so that in a later step, we can extricate them to
180
# a separarte ("storage") class.
185
def __init__(self, base, init=False, find_root=True):
186
"""Create new branch object at a particular location.
188
base -- Base directory for the branch. May be a file:// url.
190
init -- If True, create new control files in a previously
191
unversioned directory. If False, the branch must already
194
find_root -- If true and init is false, find the root of the
195
existing branch containing base.
197
In the test suite, creation of new trees is tested using the
198
`ScratchBranch` class.
200
from bzrlib.store import ImmutableStore
202
self.base = os.path.realpath(base)
205
self.base = find_branch_root(base)
207
if base.startswith("file://"):
209
self.base = os.path.realpath(base)
210
if not isdir(self.controlfilename('.')):
211
raise NotBranchError("not a bzr branch: %s" % quotefn(base),
212
['use "bzr init" to initialize a new working tree',
213
'current bzr can only operate from top-of-tree'])
216
self.text_store = ImmutableStore(self.controlfilename('text-store'))
217
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
218
self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
222
return '%s(%r)' % (self.__class__.__name__, self.base)
229
if self._lock_mode or self._lock:
230
from bzrlib.warnings import warn
231
warn("branch %r was not explicitly unlocked" % self)
175
234
def lock_write(self):
176
raise NotImplementedError('lock_write is abstract')
236
if self._lock_mode != 'w':
237
from bzrlib.errors import LockError
238
raise LockError("can't upgrade to a write lock from %r" %
240
self._lock_count += 1
242
from bzrlib.lock import WriteLock
244
self._lock = WriteLock(self.controlfilename('branch-lock'))
245
self._lock_mode = 'w'
178
249
def lock_read(self):
179
raise NotImplementedError('lock_read is abstract')
251
assert self._lock_mode in ('r', 'w'), \
252
"invalid lock mode %r" % self._lock_mode
253
self._lock_count += 1
255
from bzrlib.lock import ReadLock
257
self._lock = ReadLock(self.controlfilename('branch-lock'))
258
self._lock_mode = 'r'
181
261
def unlock(self):
182
raise NotImplementedError('unlock is abstract')
184
def peek_lock_mode(self):
185
"""Return lock mode for the Branch: 'r', 'w' or None"""
186
raise NotImplementedError(self.peek_lock_mode)
188
def get_physical_lock_status(self):
189
raise NotImplementedError('get_physical_lock_status is abstract')
262
if not self._lock_mode:
263
from bzrlib.errors import LockError
264
raise LockError('branch %r is not locked' % (self))
266
if self._lock_count > 1:
267
self._lock_count -= 1
271
self._lock_mode = self._lock_count = None
191
273
def abspath(self, name):
192
"""Return absolute filename for something in the branch
194
XXX: Robert Collins 20051017 what is this used for? why is it a branch
195
method and not a tree method.
197
raise NotImplementedError('abspath is abstract')
199
def bind(self, other):
200
"""Bind the local branch the other branch.
202
:param other: The branch to bind to
205
raise errors.UpgradeRequired(self.base)
208
def fetch(self, from_branch, last_revision=None, pb=None):
209
"""Copy revisions from from_branch into this branch.
211
:param from_branch: Where to copy from.
212
:param last_revision: What revision to stop at (None for at the end
214
:param pb: An optional progress bar to use.
216
Returns the copied revision count and the failed revisions in a tuple:
219
if self.base == from_branch.base:
222
nested_pb = bzrlib.ui.ui_factory.nested_progress_bar()
274
"""Return absolute filename for something in the branch"""
275
return os.path.join(self.base, name)
277
def relpath(self, path):
278
"""Return path relative to this branch of something inside it.
280
Raises an error if path is not in this branch."""
281
return _relpath(self.base, path)
283
def controlfilename(self, file_or_path):
284
"""Return location relative to branch."""
285
if isinstance(file_or_path, basestring):
286
file_or_path = [file_or_path]
287
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
290
def controlfile(self, file_or_path, mode='r'):
291
"""Open a control file for this branch.
293
There are two classes of file in the control directory: text
294
and binary. binary files are untranslated byte streams. Text
295
control files are stored with Unix newlines and in UTF-8, even
296
if the platform or locale defaults are different.
298
Controlfiles should almost never be opened in write mode but
299
rather should be atomically copied and replaced using atomicfile.
302
fn = self.controlfilename(file_or_path)
304
if mode == 'rb' or mode == 'wb':
305
return file(fn, mode)
306
elif mode == 'r' or mode == 'w':
307
# open in binary mode anyhow so there's no newline translation;
308
# codecs uses line buffering by default; don't want that.
310
return codecs.open(fn, mode + 'b', 'utf-8',
227
from_branch.lock_read()
229
if last_revision is None:
230
pb.update('get source history')
231
from_history = from_branch.revision_history()
233
last_revision = from_history[-1]
235
# no history in the source branch
236
last_revision = NULL_REVISION
237
return self.repository.fetch(from_branch.repository,
238
revision_id=last_revision,
241
if nested_pb is not None:
245
def get_bound_location(self):
246
"""Return the URL of the branch we are bound to.
248
Older format branches cannot bind, please be sure to use a metadir
253
def get_commit_builder(self, parents, config=None, timestamp=None,
254
timezone=None, committer=None, revprops=None,
256
"""Obtain a CommitBuilder for this branch.
258
:param parents: Revision ids of the parents of the new revision.
259
:param config: Optional configuration to use.
260
:param timestamp: Optional timestamp recorded for commit.
261
:param timezone: Optional timezone for timestamp.
262
:param committer: Optional committer to set for commit.
263
:param revprops: Optional dictionary of revision properties.
264
:param revision_id: Optional revision id.
268
config = bzrlib.config.BranchConfig(self)
270
return self.repository.get_commit_builder(self, parents, config,
271
timestamp, timezone, committer, revprops, revision_id)
273
def get_master_branch(self):
274
"""Return the branch we are bound to.
276
:return: Either a Branch, or None
313
raise BzrError("invalid controlfile mode %r" % mode)
315
def _make_control(self):
316
from bzrlib.inventory import Inventory
318
os.mkdir(self.controlfilename([]))
319
self.controlfile('README', 'w').write(
320
"This is a Bazaar-NG control directory.\n"
321
"Do not change any files in this directory.\n")
322
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
323
for d in ('text-store', 'inventory-store', 'revision-store'):
324
os.mkdir(self.controlfilename(d))
325
for f in ('revision-history', 'merged-patches',
326
'pending-merged-patches', 'branch-name',
329
self.controlfile(f, 'w').write('')
330
mutter('created control directory in ' + self.base)
332
# if we want per-tree root ids then this is the place to set
333
# them; they're not needed for now and so ommitted for
335
f = self.controlfile('inventory','w')
336
bzrlib.xml.serializer_v4.write_inventory(Inventory(), f)
339
def _check_format(self):
340
"""Check this branch format is supported.
342
The current tool only supports the current unstable format.
344
In the future, we might need different in-memory Branch
345
classes to support downlevel branches. But not yet.
347
# This ignores newlines so that we can open branches created
348
# on Windows from Linux and so on. I think it might be better
349
# to always make all internal files in unix format.
350
fmt = self.controlfile('branch-format', 'r').read()
351
fmt = fmt.replace('\r\n', '\n')
352
if fmt != BZR_BRANCH_FORMAT:
353
raise BzrError('sorry, branch format %r not supported' % fmt,
354
['use a different bzr version',
355
'or remove the .bzr directory and "bzr init" again'])
280
357
def get_root_id(self):
281
358
"""Return the id of this branches root"""
282
raise NotImplementedError('get_root_id is abstract')
284
def print_file(self, file, revision_id):
359
inv = self.read_working_inventory()
360
return inv.root.file_id
362
def set_root_id(self, file_id):
363
inv = self.read_working_inventory()
364
orig_root_id = inv.root.file_id
365
del inv._byid[inv.root.file_id]
366
inv.root.file_id = file_id
367
inv._byid[inv.root.file_id] = inv.root
370
if entry.parent_id in (None, orig_root_id):
371
entry.parent_id = inv.root.file_id
372
self._write_inventory(inv)
374
def read_working_inventory(self):
375
"""Read the working inventory."""
376
from bzrlib.inventory import Inventory
379
# ElementTree does its own conversion from UTF-8, so open in
381
f = self.controlfile('inventory', 'rb')
382
return bzrlib.xml.serializer_v4.read_inventory(f)
387
def _write_inventory(self, inv):
388
"""Update the working inventory.
390
That is to say, the inventory describing changes underway, that
391
will be committed to the next revision.
393
from bzrlib.atomicfile import AtomicFile
397
f = AtomicFile(self.controlfilename('inventory'), 'wb')
399
bzrlib.xml.serializer_v4.write_inventory(inv, f)
406
mutter('wrote working inventory')
409
inventory = property(read_working_inventory, _write_inventory, None,
410
"""Inventory for the working copy.""")
413
def add(self, files, ids=None):
414
"""Make files versioned.
416
Note that the command line normally calls smart_add instead,
417
which can automatically recurse.
419
This puts the files in the Added state, so that they will be
420
recorded by the next commit.
423
List of paths to add, relative to the base of the tree.
426
If set, use these instead of automatically generated ids.
427
Must be the same length as the list of files, but may
428
contain None for ids that are to be autogenerated.
430
TODO: Perhaps have an option to add the ids even if the files do
433
TODO: Perhaps yield the ids and paths as they're added.
435
# TODO: Re-adding a file that is removed in the working copy
436
# should probably put it back with the previous ID.
437
if isinstance(files, basestring):
438
assert(ids is None or isinstance(ids, basestring))
444
ids = [None] * len(files)
446
assert(len(ids) == len(files))
450
inv = self.read_working_inventory()
451
for f,file_id in zip(files, ids):
452
if is_control_file(f):
453
raise BzrError("cannot add control file %s" % quotefn(f))
458
raise BzrError("cannot add top-level %r" % f)
460
fullpath = os.path.normpath(self.abspath(f))
463
kind = file_kind(fullpath)
465
# maybe something better?
466
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
468
if kind != 'file' and kind != 'directory':
469
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
472
file_id = gen_file_id(f)
473
inv.add_path(f, kind=kind, file_id=file_id)
475
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
477
self._write_inventory(inv)
482
def print_file(self, file, revno):
285
483
"""Print `file` to stdout."""
286
raise NotImplementedError('print_file is abstract')
486
tree = self.revision_tree(self.get_rev_id(revno))
487
# use inventory as it was in that revision
488
file_id = tree.inventory.path2id(file)
490
raise BzrError("%r is not present in revision %s" % (file, revno))
491
tree.print_file(file_id)
496
def remove(self, files, verbose=False):
497
"""Mark nominated files for removal from the inventory.
499
This does not remove their text. This does not run on
501
TODO: Refuse to remove modified files unless --force is given?
503
TODO: Do something useful with directories.
505
TODO: Should this remove the text or not? Tough call; not
506
removing may be useful and the user can just use use rm, and
507
is the opposite of add. Removing it is consistent with most
508
other tools. Maybe an option.
510
## TODO: Normalize names
511
## TODO: Remove nested loops; better scalability
512
if isinstance(files, basestring):
518
tree = self.working_tree()
521
# do this before any modifications
525
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
526
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
528
# having remove it, it must be either ignored or unknown
529
if tree.is_ignored(f):
533
show_status(new_status, inv[fid].kind, quotefn(f))
536
self._write_inventory(inv)
541
# FIXME: this doesn't need to be a branch method
542
def set_inventory(self, new_inventory_list):
543
from bzrlib.inventory import Inventory, InventoryEntry
544
inv = Inventory(self.get_root_id())
545
for path, file_id, parent, kind in new_inventory_list:
546
name = os.path.basename(path)
549
inv.add(InventoryEntry(file_id, name, kind, parent))
550
self._write_inventory(inv)
554
"""Return all unknown files.
556
These are files in the working directory that are not versioned or
557
control files or ignored.
559
>>> b = ScratchBranch(files=['foo', 'foo~'])
560
>>> list(b.unknowns())
563
>>> list(b.unknowns())
566
>>> list(b.unknowns())
569
return self.working_tree().unknowns()
288
572
def append_revision(self, *revision_ids):
289
raise NotImplementedError('append_revision is abstract')
291
def set_revision_history(self, rev_history):
292
raise NotImplementedError('set_revision_history is abstract')
573
from bzrlib.atomicfile import AtomicFile
575
for revision_id in revision_ids:
576
mutter("add {%s} to revision-history" % revision_id)
578
rev_history = self.revision_history()
579
rev_history.extend(revision_ids)
581
f = AtomicFile(self.controlfilename('revision-history'))
583
for rev_id in rev_history:
590
def get_revision_xml_file(self, revision_id):
591
"""Return XML file object for revision object."""
592
if not revision_id or not isinstance(revision_id, basestring):
593
raise InvalidRevisionId(revision_id)
598
return self.revision_store[revision_id]
599
except (IndexError, KeyError):
600
raise bzrlib.errors.NoSuchRevision(self, revision_id)
606
get_revision_xml = get_revision_xml_file
609
def get_revision(self, revision_id):
610
"""Return the Revision object for a named revision"""
611
xml_file = self.get_revision_xml_file(revision_id)
614
r = bzrlib.xml.serializer_v4.read_revision(xml_file)
615
except SyntaxError, e:
616
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
620
assert r.revision_id == revision_id
624
def get_revision_delta(self, revno):
625
"""Return the delta for one revision.
627
The delta is relative to its mainline predecessor, or the
628
empty tree for revision 1.
630
assert isinstance(revno, int)
631
rh = self.revision_history()
632
if not (1 <= revno <= len(rh)):
633
raise InvalidRevisionNumber(revno)
635
# revno is 1-based; list is 0-based
637
new_tree = self.revision_tree(rh[revno-1])
639
old_tree = EmptyTree()
641
old_tree = self.revision_tree(rh[revno-2])
643
return compare_trees(old_tree, new_tree)
647
def get_revision_sha1(self, revision_id):
648
"""Hash the stored value of a revision, and return it."""
649
# In the future, revision entries will be signed. At that
650
# point, it is probably best *not* to include the signature
651
# in the revision hash. Because that lets you re-sign
652
# the revision, (add signatures/remove signatures) and still
653
# have all hash pointers stay consistent.
654
# But for now, just hash the contents.
655
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
658
def get_inventory(self, inventory_id):
659
"""Get Inventory object by hash.
661
TODO: Perhaps for this and similar methods, take a revision
662
parameter which can be either an integer revno or a
664
from bzrlib.inventory import Inventory
666
f = self.get_inventory_xml_file(inventory_id)
667
return bzrlib.xml.serializer_v4.read_inventory(f)
670
def get_inventory_xml(self, inventory_id):
671
"""Get inventory XML as a file object."""
672
return self.inventory_store[inventory_id]
674
get_inventory_xml_file = get_inventory_xml
677
def get_inventory_sha1(self, inventory_id):
678
"""Return the sha1 hash of the inventory entry
680
return sha_file(self.get_inventory_xml(inventory_id))
683
def get_revision_inventory(self, revision_id):
684
"""Return inventory of a past revision."""
685
# bzr 0.0.6 imposes the constraint that the inventory_id
686
# must be the same as its revision, so this is trivial.
687
if revision_id == None:
688
from bzrlib.inventory import Inventory
689
return Inventory(self.get_root_id())
691
return self.get_inventory(revision_id)
294
694
def revision_history(self):
295
"""Return sequence of revision hashes on to this branch."""
296
raise NotImplementedError('revision_history is abstract')
695
"""Return sequence of revision hashes on to this branch.
697
>>> ScratchBranch().revision_history()
702
return [l.rstrip('\r\n') for l in
703
self.controlfile('revision-history', 'r').readlines()]
708
def common_ancestor(self, other, self_revno=None, other_revno=None):
710
>>> from bzrlib.commit import commit
711
>>> sb = ScratchBranch(files=['foo', 'foo~'])
712
>>> sb.common_ancestor(sb) == (None, None)
714
>>> commit(sb, "Committing first revision", verbose=False)
715
>>> sb.common_ancestor(sb)[0]
717
>>> clone = sb.clone()
718
>>> commit(sb, "Committing second revision", verbose=False)
719
>>> sb.common_ancestor(sb)[0]
721
>>> sb.common_ancestor(clone)[0]
723
>>> commit(clone, "Committing divergent second revision",
725
>>> sb.common_ancestor(clone)[0]
727
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
729
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
731
>>> clone2 = sb.clone()
732
>>> sb.common_ancestor(clone2)[0]
734
>>> sb.common_ancestor(clone2, self_revno=1)[0]
736
>>> sb.common_ancestor(clone2, other_revno=1)[0]
739
my_history = self.revision_history()
740
other_history = other.revision_history()
741
if self_revno is None:
742
self_revno = len(my_history)
743
if other_revno is None:
744
other_revno = len(other_history)
745
indices = range(min((self_revno, other_revno)))
748
if my_history[r] == other_history[r]:
749
return r+1, my_history[r]
299
754
"""Return current revision number for this branch.
474
1203
if revno < 1 or revno > self.revno():
475
1204
raise InvalidRevisionNumber(revno)
478
def clone(self, *args, **kwargs):
479
"""Clone this branch into to_bzrdir preserving all semantic values.
481
revision_id: if not None, the revision history in the new branch will
482
be truncated to end with revision_id.
484
# for API compatibility, until 0.8 releases we provide the old api:
485
# def clone(self, to_location, revision=None, basis_branch=None, to_branch_format=None):
486
# after 0.8 releases, the *args and **kwargs should be changed:
487
# def clone(self, to_bzrdir, revision_id=None):
488
if (kwargs.get('to_location', None) or
489
kwargs.get('revision', None) or
490
kwargs.get('basis_branch', None) or
491
(len(args) and isinstance(args[0], basestring))):
492
# backwards compatibility api:
493
warn("Branch.clone() has been deprecated for BzrDir.clone() from"
494
" bzrlib 0.8.", DeprecationWarning, stacklevel=3)
497
basis_branch = args[2]
499
basis_branch = kwargs.get('basis_branch', None)
501
basis = basis_branch.bzrdir
506
revision_id = args[1]
508
revision_id = kwargs.get('revision', None)
513
# no default to raise if not provided.
514
url = kwargs.get('to_location')
515
return self.bzrdir.clone(url,
516
revision_id=revision_id,
517
basis=basis).open_branch()
519
# generate args by hand
521
revision_id = args[1]
523
revision_id = kwargs.get('revision_id', None)
527
# no default to raise if not provided.
528
to_bzrdir = kwargs.get('to_bzrdir')
529
result = self._format.initialize(to_bzrdir)
530
self.copy_content_into(result, revision_id=revision_id)
534
def sprout(self, to_bzrdir, revision_id=None):
535
"""Create a new line of development from the branch, into to_bzrdir.
537
revision_id: if not None, the revision history in the new branch will
538
be truncated to end with revision_id.
540
result = self._format.initialize(to_bzrdir)
541
self.copy_content_into(result, revision_id=revision_id)
542
result.set_parent(self.bzrdir.root_transport.base)
546
def copy_content_into(self, destination, revision_id=None):
547
"""Copy the content of self into destination.
549
revision_id: if not None, the revision history in the new branch will
550
be truncated to end with revision_id.
552
new_history = self.revision_history()
553
if revision_id is not None:
555
new_history = new_history[:new_history.index(revision_id) + 1]
557
rev = self.repository.get_revision(revision_id)
558
new_history = rev.get_history(self.repository)[1:]
559
destination.set_revision_history(new_history)
560
parent = self.get_parent()
562
destination.set_parent(parent)
566
"""Check consistency of the branch.
568
In particular this checks that revisions given in the revision-history
569
do actually match up in the revision graph, and that they're all
570
present in the repository.
572
:return: A BranchCheckResult.
574
mainline_parent_id = None
575
for revision_id in self.revision_history():
577
revision = self.repository.get_revision(revision_id)
578
except errors.NoSuchRevision, e:
579
raise BzrCheckError("mainline revision {%s} not in repository"
581
# In general the first entry on the revision history has no parents.
582
# But it's not illegal for it to have parents listed; this can happen
583
# in imports from Arch when the parents weren't reachable.
584
if mainline_parent_id is not None:
585
if mainline_parent_id not in revision.parent_ids:
586
raise BzrCheckError("previous revision {%s} not listed among "
588
% (mainline_parent_id, revision_id))
589
mainline_parent_id = revision_id
590
return BranchCheckResult(self)
593
class BranchFormat(object):
594
"""An encapsulation of the initialization and open routines for a format.
596
Formats provide three things:
597
* An initialization routine,
601
Formats are placed in an dict by their format string for reference
602
during branch opening. Its not required that these be instances, they
603
can be classes themselves with class methods - it simply depends on
604
whether state is needed for a given format or not.
606
Once a format is deprecated, just deprecate the initialize and open
607
methods on the format class. Do not deprecate the object, as the
608
object will be created every time regardless.
611
_default_format = None
612
"""The default format used for new branches."""
615
"""The known formats."""
618
def find_format(klass, a_bzrdir):
619
"""Return the format for the branch object in a_bzrdir."""
621
transport = a_bzrdir.get_branch_transport(None)
622
format_string = transport.get("format").read()
623
return klass._formats[format_string]
625
raise NotBranchError(path=transport.base)
627
raise errors.UnknownFormatError(format_string)
630
def get_default_format(klass):
631
"""Return the current default format."""
632
return klass._default_format
634
def get_format_string(self):
635
"""Return the ASCII format string that identifies this format."""
636
raise NotImplementedError(self.get_format_string)
638
def get_format_description(self):
639
"""Return the short format description for this format."""
640
raise NotImplementedError(self.get_format_string)
642
def initialize(self, a_bzrdir):
643
"""Create a branch of this format in a_bzrdir."""
644
raise NotImplementedError(self.initialize)
646
def is_supported(self):
647
"""Is this format supported?
649
Supported formats can be initialized and opened.
650
Unsupported formats may not support initialization or committing or
651
some other features depending on the reason for not being supported.
655
def open(self, a_bzrdir, _found=False):
656
"""Return the branch object for a_bzrdir
658
_found is a private parameter, do not use it. It is used to indicate
659
if format probing has already be done.
661
raise NotImplementedError(self.open)
664
def register_format(klass, format):
665
klass._formats[format.get_format_string()] = format
668
def set_default_format(klass, format):
669
klass._default_format = format
672
def unregister_format(klass, format):
673
assert klass._formats[format.get_format_string()] is format
674
del klass._formats[format.get_format_string()]
677
return self.get_format_string().rstrip()
680
class BzrBranchFormat4(BranchFormat):
681
"""Bzr branch format 4.
684
- a revision-history file.
685
- a branch-lock lock file [ to be shared with the bzrdir ]
688
def get_format_description(self):
689
"""See BranchFormat.get_format_description()."""
690
return "Branch format 4"
692
def initialize(self, a_bzrdir):
693
"""Create a branch of this format in a_bzrdir."""
694
mutter('creating branch in %s', a_bzrdir.transport.base)
695
branch_transport = a_bzrdir.get_branch_transport(self)
696
utf8_files = [('revision-history', ''),
699
control_files = LockableFiles(branch_transport, 'branch-lock',
701
control_files.create_lock()
702
control_files.lock_write()
704
for file, content in utf8_files:
705
control_files.put_utf8(file, content)
707
control_files.unlock()
708
return self.open(a_bzrdir, _found=True)
711
super(BzrBranchFormat4, self).__init__()
712
self._matchingbzrdir = bzrdir.BzrDirFormat6()
714
def open(self, a_bzrdir, _found=False):
715
"""Return the branch object for a_bzrdir
717
_found is a private parameter, do not use it. It is used to indicate
718
if format probing has already be done.
721
# we are being called directly and must probe.
722
raise NotImplementedError
723
return BzrBranch(_format=self,
724
_control_files=a_bzrdir._control_files,
726
_repository=a_bzrdir.open_repository())
729
return "Bazaar-NG branch format 4"
732
class BzrBranchFormat5(BranchFormat):
733
"""Bzr branch format 5.
736
- a revision-history file.
738
- a lock dir guarding the branch itself
739
- all of this stored in a branch/ subdirectory
740
- works with shared repositories.
742
This format is new in bzr 0.8.
745
def get_format_string(self):
746
"""See BranchFormat.get_format_string()."""
747
return "Bazaar-NG branch format 5\n"
749
def get_format_description(self):
750
"""See BranchFormat.get_format_description()."""
751
return "Branch format 5"
753
def initialize(self, a_bzrdir):
754
"""Create a branch of this format in a_bzrdir."""
755
mutter('creating branch %r in %s', self, a_bzrdir.transport.base)
756
branch_transport = a_bzrdir.get_branch_transport(self)
757
utf8_files = [('revision-history', ''),
760
control_files = LockableFiles(branch_transport, 'lock', LockDir)
761
control_files.create_lock()
762
control_files.lock_write()
763
control_files.put_utf8('format', self.get_format_string())
765
for file, content in utf8_files:
766
control_files.put_utf8(file, content)
768
control_files.unlock()
769
return self.open(a_bzrdir, _found=True, )
772
super(BzrBranchFormat5, self).__init__()
773
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
775
def open(self, a_bzrdir, _found=False):
776
"""Return the branch object for a_bzrdir
778
_found is a private parameter, do not use it. It is used to indicate
779
if format probing has already be done.
782
format = BranchFormat.find_format(a_bzrdir)
783
assert format.__class__ == self.__class__
784
transport = a_bzrdir.get_branch_transport(None)
785
control_files = LockableFiles(transport, 'lock', LockDir)
786
return BzrBranch5(_format=self,
787
_control_files=control_files,
789
_repository=a_bzrdir.find_repository())
792
return "Bazaar-NG Metadir branch format 5"
795
class BranchReferenceFormat(BranchFormat):
796
"""Bzr branch reference format.
798
Branch references are used in implementing checkouts, they
799
act as an alias to the real branch which is at some other url.
806
def get_format_string(self):
807
"""See BranchFormat.get_format_string()."""
808
return "Bazaar-NG Branch Reference Format 1\n"
810
def get_format_description(self):
811
"""See BranchFormat.get_format_description()."""
812
return "Checkout reference format 1"
814
def initialize(self, a_bzrdir, target_branch=None):
815
"""Create a branch of this format in a_bzrdir."""
816
if target_branch is None:
817
# this format does not implement branch itself, thus the implicit
818
# creation contract must see it as uninitializable
819
raise errors.UninitializableFormat(self)
820
mutter('creating branch reference in %s', a_bzrdir.transport.base)
821
branch_transport = a_bzrdir.get_branch_transport(self)
822
# FIXME rbc 20060209 one j-a-ms encoding branch lands this str() cast is not needed.
823
branch_transport.put('location', StringIO(str(target_branch.bzrdir.root_transport.base)))
824
branch_transport.put('format', StringIO(self.get_format_string()))
825
return self.open(a_bzrdir, _found=True)
828
super(BranchReferenceFormat, self).__init__()
829
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
831
def _make_reference_clone_function(format, a_branch):
832
"""Create a clone() routine for a branch dynamically."""
833
def clone(to_bzrdir, revision_id=None):
834
"""See Branch.clone()."""
835
return format.initialize(to_bzrdir, a_branch)
836
# cannot obey revision_id limits when cloning a reference ...
837
# FIXME RBC 20060210 either nuke revision_id for clone, or
838
# emit some sort of warning/error to the caller ?!
841
def open(self, a_bzrdir, _found=False):
842
"""Return the branch that the branch reference in a_bzrdir points at.
844
_found is a private parameter, do not use it. It is used to indicate
845
if format probing has already be done.
848
format = BranchFormat.find_format(a_bzrdir)
849
assert format.__class__ == self.__class__
850
transport = a_bzrdir.get_branch_transport(None)
851
real_bzrdir = bzrdir.BzrDir.open(transport.get('location').read())
852
result = real_bzrdir.open_branch()
853
# this changes the behaviour of result.clone to create a new reference
854
# rather than a copy of the content of the branch.
855
# I did not use a proxy object because that needs much more extensive
856
# testing, and we are only changing one behaviour at the moment.
857
# If we decide to alter more behaviours - i.e. the implicit nickname
858
# then this should be refactored to introduce a tested proxy branch
859
# and a subclass of that for use in overriding clone() and ....
861
result.clone = self._make_reference_clone_function(result)
865
# formats which have no format string are not discoverable
866
# and not independently creatable, so are not registered.
867
__default_format = BzrBranchFormat5()
868
BranchFormat.register_format(__default_format)
869
BranchFormat.register_format(BranchReferenceFormat())
870
BranchFormat.set_default_format(__default_format)
871
_legacy_formats = [BzrBranchFormat4(),
874
class BzrBranch(Branch):
875
"""A branch stored in the actual filesystem.
877
Note that it's "local" in the context of the filesystem; it doesn't
878
really matter if it's on an nfs/smb/afs/coda/... share, as long as
879
it's writable, and can be accessed via the normal filesystem API.
1210
class ScratchBranch(LocalBranch):
1211
"""Special test class: a branch that cleans up after itself.
1213
>>> b = ScratchBranch()
1221
def __init__(self, files=[], dirs=[], base=None):
1222
"""Make a test branch.
1224
This creates a temporary directory and runs init-tree in it.
1226
If any files are listed, they are created in the working copy.
1228
from tempfile import mkdtemp
1233
LocalBranch.__init__(self, base, init=init)
1235
os.mkdir(self.abspath(d))
1238
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1243
>>> orig = ScratchBranch(files=["file1", "file2"])
1244
>>> clone = orig.clone()
1245
>>> os.path.samefile(orig.base, clone.base)
1247
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1250
from shutil import copytree
1251
from tempfile import mkdtemp
1254
copytree(self.base, base, symlinks=True)
1255
return ScratchBranch(base=base)
1263
"""Destroy the test branch, removing the scratch directory."""
1264
from shutil import rmtree
1267
mutter("delete ScratchBranch %s" % self.base)
1270
# Work around for shutil.rmtree failing on Windows when
1271
# readonly files are encountered
1272
mutter("hit exception in destroying ScratchBranch: %s" % e)
1273
for root, dirs, files in os.walk(self.base, topdown=False):
1275
os.chmod(os.path.join(root, name), 0700)
882
def __init__(self, transport=DEPRECATED_PARAMETER, init=DEPRECATED_PARAMETER,
883
relax_version_check=DEPRECATED_PARAMETER, _format=None,
884
_control_files=None, a_bzrdir=None, _repository=None):
885
"""Create new branch object at a particular location.
887
transport -- A Transport object, defining how to access files.
889
init -- If True, create new control files in a previously
890
unversioned directory. If False, the branch must already
893
relax_version_check -- If true, the usual check for the branch
894
version is not applied. This is intended only for
895
upgrade/recovery type use; it's not guaranteed that
896
all operations will work on old format branches.
899
self.bzrdir = bzrdir.BzrDir.open(transport.base)
901
self.bzrdir = a_bzrdir
902
self._transport = self.bzrdir.transport.clone('..')
903
self._base = self._transport.base
904
self._format = _format
905
if _control_files is None:
906
raise BzrBadParameterMissing('_control_files')
907
self.control_files = _control_files
908
if deprecated_passed(init):
909
warn("BzrBranch.__init__(..., init=XXX): The init parameter is "
910
"deprecated as of bzr 0.8. Please use Branch.create().",
914
# this is slower than before deprecation, oh well never mind.
916
self._initialize(transport.base)
917
self._check_format(_format)
918
if deprecated_passed(relax_version_check):
919
warn("BzrBranch.__init__(..., relax_version_check=XXX_: The "
920
"relax_version_check parameter is deprecated as of bzr 0.8. "
921
"Please use BzrDir.open_downlevel, or a BzrBranchFormat's "
925
if (not relax_version_check
926
and not self._format.is_supported()):
927
raise errors.UnsupportedFormatError(
928
'sorry, branch format %r not supported' % fmt,
929
['use a different bzr version',
930
'or remove the .bzr directory'
931
' and "bzr init" again'])
932
if deprecated_passed(transport):
933
warn("BzrBranch.__init__(transport=XXX...): The transport "
934
"parameter is deprecated as of bzr 0.8. "
935
"Please use Branch.open, or bzrdir.open_branch().",
938
self.repository = _repository
941
return '%s(%r)' % (self.__class__.__name__, self.base)
946
# TODO: It might be best to do this somewhere else,
947
# but it is nice for a Branch object to automatically
948
# cache it's information.
949
# Alternatively, we could have the Transport objects cache requests
950
# See the earlier discussion about how major objects (like Branch)
951
# should never expect their __del__ function to run.
952
# XXX: cache_root seems to be unused, 2006-01-13 mbp
953
if hasattr(self, 'cache_root') and self.cache_root is not None:
955
rmtree(self.cache_root)
958
self.cache_root = None
963
base = property(_get_base, doc="The URL for the root of this branch.")
965
def _finish_transaction(self):
966
"""Exit the current transaction."""
967
return self.control_files._finish_transaction()
969
def get_transaction(self):
970
"""Return the current active transaction.
972
If no transaction is active, this returns a passthrough object
973
for which all data is immediately flushed and no caching happens.
975
# this is an explicit function so that we can do tricky stuff
976
# when the storage in rev_storage is elsewhere.
977
# we probably need to hook the two 'lock a location' and
978
# 'have a transaction' together more delicately, so that
979
# we can have two locks (branch and storage) and one transaction
980
# ... and finishing the transaction unlocks both, but unlocking
981
# does not. - RBC 20051121
982
return self.control_files.get_transaction()
984
def _set_transaction(self, transaction):
985
"""Set a new active transaction."""
986
return self.control_files._set_transaction(transaction)
988
def abspath(self, name):
989
"""See Branch.abspath."""
990
return self.control_files._transport.abspath(name)
992
def _check_format(self, format):
993
"""Identify the branch format if needed.
995
The format is stored as a reference to the format object in
996
self._format for code that needs to check it later.
998
The format parameter is either None or the branch format class
999
used to open this branch.
1001
FIXME: DELETE THIS METHOD when pre 0.8 support is removed.
1004
format = BzrBranchFormat.find_format(self.bzrdir)
1005
self._format = format
1006
mutter("got branch format %s", self._format)
1009
def get_root_id(self):
1010
"""See Branch.get_root_id."""
1011
tree = self.repository.revision_tree(self.last_revision())
1012
return tree.inventory.root.file_id
1014
def is_locked(self):
1015
return self.control_files.is_locked()
1017
def lock_write(self):
1018
# TODO: test for failed two phase locks. This is known broken.
1019
self.control_files.lock_write()
1020
self.repository.lock_write()
1022
def lock_read(self):
1023
# TODO: test for failed two phase locks. This is known broken.
1024
self.control_files.lock_read()
1025
self.repository.lock_read()
1028
# TODO: test for failed two phase locks. This is known broken.
1030
self.repository.unlock()
1032
self.control_files.unlock()
1034
def peek_lock_mode(self):
1035
if self.control_files._lock_count == 0:
1038
return self.control_files._lock_mode
1040
def get_physical_lock_status(self):
1041
return self.control_files.get_physical_lock_status()
1044
def print_file(self, file, revision_id):
1045
"""See Branch.print_file."""
1046
return self.repository.print_file(file, revision_id)
1049
def append_revision(self, *revision_ids):
1050
"""See Branch.append_revision."""
1051
for revision_id in revision_ids:
1052
mutter("add {%s} to revision-history" % revision_id)
1053
rev_history = self.revision_history()
1054
rev_history.extend(revision_ids)
1055
self.set_revision_history(rev_history)
1058
def set_revision_history(self, rev_history):
1059
"""See Branch.set_revision_history."""
1060
self.control_files.put_utf8(
1061
'revision-history', '\n'.join(rev_history))
1062
transaction = self.get_transaction()
1063
history = transaction.map.find_revision_history()
1064
if history is not None:
1065
# update the revision history in the identity map.
1066
history[:] = list(rev_history)
1067
# this call is disabled because revision_history is
1068
# not really an object yet, and the transaction is for objects.
1069
# transaction.register_dirty(history)
1071
transaction.map.add_revision_history(rev_history)
1072
# this call is disabled because revision_history is
1073
# not really an object yet, and the transaction is for objects.
1074
# transaction.register_clean(history)
1076
def get_revision_delta(self, revno):
1077
"""Return the delta for one revision.
1079
The delta is relative to its mainline predecessor, or the
1080
empty tree for revision 1.
1082
assert isinstance(revno, int)
1083
rh = self.revision_history()
1084
if not (1 <= revno <= len(rh)):
1085
raise InvalidRevisionNumber(revno)
1087
# revno is 1-based; list is 0-based
1089
new_tree = self.repository.revision_tree(rh[revno-1])
1091
old_tree = EmptyTree()
1093
old_tree = self.repository.revision_tree(rh[revno-2])
1094
return compare_trees(old_tree, new_tree)
1097
def revision_history(self):
1098
"""See Branch.revision_history."""
1099
transaction = self.get_transaction()
1100
history = transaction.map.find_revision_history()
1101
if history is not None:
1102
mutter("cache hit for revision-history in %s", self)
1103
return list(history)
1104
history = [l.rstrip('\r\n') for l in
1105
self.control_files.get_utf8('revision-history').readlines()]
1106
transaction.map.add_revision_history(history)
1107
# this call is disabled because revision_history is
1108
# not really an object yet, and the transaction is for objects.
1109
# transaction.register_clean(history, precious=True)
1110
return list(history)
1113
def update_revisions(self, other, stop_revision=None):
1114
"""See Branch.update_revisions."""
1117
if stop_revision is None:
1118
stop_revision = other.last_revision()
1119
if stop_revision is None:
1120
# if there are no commits, we're done.
1122
# whats the current last revision, before we fetch [and change it
1124
last_rev = self.last_revision()
1125
# we fetch here regardless of whether we need to so that we pickup
1127
self.fetch(other, stop_revision)
1128
my_ancestry = self.repository.get_ancestry(last_rev)
1129
if stop_revision in my_ancestry:
1130
# last_revision is a descendant of stop_revision
1132
# stop_revision must be a descendant of last_revision
1133
stop_graph = self.repository.get_revision_graph(stop_revision)
1134
if last_rev is not None and last_rev not in stop_graph:
1135
# our previous tip is not merged into stop_revision
1136
raise errors.DivergedBranches(self, other)
1137
# make a new revision history from the graph
1138
current_rev_id = stop_revision
1140
while current_rev_id not in (None, NULL_REVISION):
1141
new_history.append(current_rev_id)
1142
current_rev_id_parents = stop_graph[current_rev_id]
1144
current_rev_id = current_rev_id_parents[0]
1146
current_rev_id = None
1147
new_history.reverse()
1148
self.set_revision_history(new_history)
1152
def basis_tree(self):
1153
"""See Branch.basis_tree."""
1154
return self.repository.revision_tree(self.last_revision())
1156
@deprecated_method(zero_eight)
1157
def working_tree(self):
1158
"""Create a Working tree object for this branch."""
1159
from bzrlib.workingtree import WorkingTree
1160
from bzrlib.transport.local import LocalTransport
1161
if (self.base.find('://') != -1 or
1162
not isinstance(self._transport, LocalTransport)):
1163
raise NoWorkingTree(self.base)
1164
return self.bzrdir.open_workingtree()
1167
def pull(self, source, overwrite=False, stop_revision=None):
1168
"""See Branch.pull."""
1171
old_count = len(self.revision_history())
1173
self.update_revisions(source,stop_revision)
1174
except DivergedBranches:
1178
self.set_revision_history(source.revision_history())
1179
new_count = len(self.revision_history())
1180
return new_count - old_count
1184
def get_parent(self):
1185
"""See Branch.get_parent."""
1187
_locs = ['parent', 'pull', 'x-pull']
1188
assert self.base[-1] == '/'
1191
return urlutils.join(self.base[:-1],
1192
self.control_files.get(l).read().strip('\n'))
1197
def get_push_location(self):
1198
"""See Branch.get_push_location."""
1199
config = bzrlib.config.BranchConfig(self)
1200
push_loc = config.get_user_option('push_location')
1203
def set_push_location(self, location):
1204
"""See Branch.set_push_location."""
1205
config = bzrlib.config.LocationConfig(self.base)
1206
config.set_user_option('push_location', location)
1209
def set_parent(self, url):
1210
"""See Branch.set_parent."""
1211
# TODO: Maybe delete old location files?
1212
# URLs should never be unicode, even on the local fs,
1213
# FIXUP this and get_parent in a future branch format bump:
1214
# read and rewrite the file, and have the new format code read
1215
# using .get not .get_utf8. RBC 20060125
1217
self.control_files._transport.delete('parent')
1219
if isinstance(url, unicode):
1221
url = url.encode('ascii')
1222
except UnicodeEncodeError:
1223
raise bzrlib.errors.InvalidURL(url,
1224
"Urls must be 7-bit ascii, "
1225
"use bzrlib.urlutils.escape")
1227
url = urlutils.relative_url(self.base, url)
1228
self.control_files.put('parent', url + '\n')
1230
def tree_config(self):
1231
return TreeConfig(self)
1234
class BzrBranch5(BzrBranch):
1235
"""A format 5 branch. This supports new features over plan branches.
1237
It has support for a master_branch which is the data for bound branches.
1245
super(BzrBranch5, self).__init__(_format=_format,
1246
_control_files=_control_files,
1248
_repository=_repository)
1251
def pull(self, source, overwrite=False, stop_revision=None):
1252
"""Updates branch.pull to be bound branch aware."""
1253
bound_location = self.get_bound_location()
1254
if source.base != bound_location:
1255
# not pulling from master, so we need to update master.
1256
master_branch = self.get_master_branch()
1258
master_branch.pull(source)
1259
source = master_branch
1260
return super(BzrBranch5, self).pull(source, overwrite, stop_revision)
1262
def get_bound_location(self):
1264
return self.control_files.get_utf8('bound').read()[:-1]
1265
except errors.NoSuchFile:
1269
def get_master_branch(self):
1270
"""Return the branch we are bound to.
1272
:return: Either a Branch, or None
1274
This could memoise the branch, but if thats done
1275
it must be revalidated on each new lock.
1276
So for now we just don't memoise it.
1277
# RBC 20060304 review this decision.
1279
bound_loc = self.get_bound_location()
1283
return Branch.open(bound_loc)
1284
except (errors.NotBranchError, errors.ConnectionError), e:
1285
raise errors.BoundBranchConnectionFailure(
1289
def set_bound_location(self, location):
1290
"""Set the target where this branch is bound to.
1292
:param location: URL to the target branch
1295
self.control_files.put_utf8('bound', location+'\n')
1298
self.control_files._transport.delete('bound')
1281
######################################################################
1285
def is_control_file(filename):
1286
## FIXME: better check
1287
filename = os.path.normpath(filename)
1288
while filename != '':
1289
head, tail = os.path.split(filename)
1290
## mutter('check %r for control file' % ((head, tail), ))
1291
if tail == bzrlib.BZRDIR:
1304
def bind(self, other):
1305
"""Bind the local branch the other branch.
1307
:param other: The branch to bind to
1310
# TODO: jam 20051230 Consider checking if the target is bound
1311
# It is debatable whether you should be able to bind to
1312
# a branch which is itself bound.
1313
# Committing is obviously forbidden,
1314
# but binding itself may not be.
1315
# Since we *have* to check at commit time, we don't
1316
# *need* to check here
1319
# we are now equal to or a suffix of other.
1321
# Since we have 'pulled' from the remote location,
1322
# now we should try to pull in the opposite direction
1323
# in case the local tree has more revisions than the
1325
# There may be a different check you could do here
1326
# rather than actually trying to install revisions remotely.
1327
# TODO: capture an exception which indicates the remote branch
1329
# If it is up-to-date, this probably should not be a failure
1331
# lock other for write so the revision-history syncing cannot race
1335
# if this does not error, other now has the same last rev we do
1336
# it can only error if the pull from other was concurrent with
1337
# a commit to other from someone else.
1339
# until we ditch revision-history, we need to sync them up:
1340
self.set_revision_history(other.revision_history())
1341
# now other and self are up to date with each other and have the
1342
# same revision-history.
1346
self.set_bound_location(other.base)
1350
"""If bound, unbind"""
1351
return self.set_bound_location(None)
1355
"""Synchronise this branch with the master branch if any.
1357
:return: None or the last_revision that was pivoted out during the
1360
master = self.get_master_branch()
1361
if master is not None:
1362
old_tip = self.last_revision()
1363
self.pull(master, overwrite=True)
1364
if old_tip in self.repository.get_ancestry(self.last_revision()):
1370
class BranchTestProviderAdapter(object):
1371
"""A tool to generate a suite testing multiple branch formats at once.
1373
This is done by copying the test once for each transport and injecting
1374
the transport_server, transport_readonly_server, and branch_format
1375
classes into each copy. Each copy is also given a new id() to make it
1293
if filename == head:
1300
def gen_file_id(name):
1301
"""Return new file id.
1303
This should probably generate proper UUIDs, but for the moment we
1304
cope with just randomness because running uuidgen every time is
1307
from binascii import hexlify
1308
from time import time
1310
# get last component
1311
idx = name.rfind('/')
1313
name = name[idx+1 : ]
1314
idx = name.rfind('\\')
1316
name = name[idx+1 : ]
1318
# make it not a hidden file
1319
name = name.lstrip('.')
1321
# remove any wierd characters; we don't escape them but rather
1322
# just pull them out
1323
name = re.sub(r'[^\w.]', '', name)
1325
s = hexlify(rand_bytes(8))
1326
return '-'.join((name, compact_date(time()), s))
1330
"""Return a new tree-root file id."""
1331
return gen_file_id('TREE_ROOT')
1334
def copy_branch(branch_from, to_location, revision=None):
1335
"""Copy branch_from into the existing directory to_location.
1338
If not None, only revisions up to this point will be copied.
1339
The head of the new branch will be that revision.
1342
The name of a local directory that exists but is empty.
1344
from bzrlib.merge import merge
1345
from bzrlib.revisionspec import RevisionSpec
1379
def __init__(self, transport_server, transport_readonly_server, formats):
1380
self._transport_server = transport_server
1381
self._transport_readonly_server = transport_readonly_server
1382
self._formats = formats
1347
assert isinstance(branch_from, Branch)
1348
assert isinstance(to_location, basestring)
1384
def adapt(self, test):
1385
result = TestSuite()
1386
for branch_format, bzrdir_format in self._formats:
1387
new_test = deepcopy(test)
1388
new_test.transport_server = self._transport_server
1389
new_test.transport_readonly_server = self._transport_readonly_server
1390
new_test.bzrdir_format = bzrdir_format
1391
new_test.branch_format = branch_format
1392
def make_new_test_id():
1393
new_id = "%s(%s)" % (new_test.id(), branch_format.__class__.__name__)
1394
return lambda: new_id
1395
new_test.id = make_new_test_id()
1396
result.addTest(new_test)
1400
class BranchCheckResult(object):
1401
"""Results of checking branch consistency.
1406
def __init__(self, branch):
1407
self.branch = branch
1409
def report_results(self, verbose):
1410
"""Report the check results via trace.note.
1412
:param verbose: Requests more detailed display of what was checked,
1415
note('checked branch %s format %s',
1417
self.branch._format)
1420
######################################################################
1424
@deprecated_function(zero_eight)
1425
def ScratchBranch(*args, **kwargs):
1426
"""See bzrlib.bzrdir.ScratchDir."""
1427
d = ScratchDir(*args, **kwargs)
1428
return d.open_branch()
1431
@deprecated_function(zero_eight)
1432
def is_control_file(*args, **kwargs):
1433
"""See bzrlib.workingtree.is_control_file."""
1434
return bzrlib.workingtree.is_control_file(*args, **kwargs)
1350
br_to = Branch.initialize(to_location)
1351
br_to.set_root_id(branch_from.get_root_id())
1352
if revision is None:
1353
revno = branch_from.revno()
1355
revno, rev_id = RevisionSpec(revision).in_history(branch_from)
1356
br_to.update_revisions(branch_from, stop_revision=revno)
1357
merge((to_location, -1), (to_location, 0), this_dir=to_location,
1358
check_clean=False, ignore_zero=True)
1359
br_to.set_parent(branch_from.base)