21
from warnings import warn
22
from cStringIO import StringIO
26
from bzrlib.inventory import InventoryEntry
27
import bzrlib.inventory as inventory
22
28
from bzrlib.trace import mutter, note
23
from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, \
25
sha_file, appendpath, file_kind
26
from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
29
from bzrlib.osutils import (isdir, quotefn, compact_date, rand_bytes,
30
rename, splitpath, sha_file, appendpath,
32
import bzrlib.errors as errors
33
from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
34
NoSuchRevision, HistoryMissing, NotBranchError,
35
DivergedBranches, LockError, UnlistableStore,
36
UnlistableBranch, NoSuchFile)
28
37
from bzrlib.textui import show_status
29
from bzrlib.revision import Revision
30
from bzrlib.xml import unpack_xml
38
from bzrlib.revision import Revision, is_ancestor, get_intervening_revisions
31
40
from bzrlib.delta import compare_trees
32
41
from bzrlib.tree import EmptyTree, RevisionTree
34
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
42
from bzrlib.inventory import Inventory
43
from bzrlib.store import copy_all
44
from bzrlib.store.compressed_text import CompressedTextStore
45
from bzrlib.store.text import TextStore
46
from bzrlib.store.weave import WeaveStore
47
import bzrlib.transactions as transactions
48
from bzrlib.transport import Transport, get_transport
53
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
54
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
55
BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
35
56
## TODO: Maybe include checks for common corruption of newlines, etc?
38
59
# TODO: Some operations like log might retrieve the same revisions
39
60
# repeatedly to calculate deltas. We could perhaps have a weakref
40
# cache in memory to make this faster.
43
def find_branch(f, **args):
44
if f and (f.startswith('http://') or f.startswith('https://')):
46
return remotebranch.RemoteBranch(f, **args)
48
return Branch(f, **args)
51
def find_cached_branch(f, cache_root, **args):
52
from remotebranch import RemoteBranch
53
br = find_branch(f, **args)
54
def cacheify(br, store_name):
55
from meta_store import CachedStore
56
cache_path = os.path.join(cache_root, store_name)
58
new_store = CachedStore(getattr(br, store_name), cache_path)
59
setattr(br, store_name, new_store)
61
if isinstance(br, RemoteBranch):
62
cacheify(br, 'inventory_store')
63
cacheify(br, 'text_store')
64
cacheify(br, 'revision_store')
68
def _relpath(base, path):
69
"""Return path relative to base, or raise exception.
71
The path may be either an absolute path or a path relative to the
72
current working directory.
74
Lifted out of Branch.relpath for ease of testing.
76
os.path.commonprefix (python2.4) has a bad bug that it works just
77
on string prefixes, assuming that '/u' is a prefix of '/u2'. This
78
avoids that problem."""
79
rp = os.path.abspath(path)
83
while len(head) >= len(base):
86
head, tail = os.path.split(head)
90
from errors import NotBranchError
91
raise NotBranchError("path %r is not within branch %r" % (rp, base))
96
def find_branch_root(f=None):
97
"""Find the branch root enclosing f, or pwd.
99
f may be a filename or a URL.
101
It is not necessary that f exists.
103
Basically we keep looking up until we find the control directory or
104
run into the root."""
107
elif hasattr(os.path, 'realpath'):
108
f = os.path.realpath(f)
110
f = os.path.abspath(f)
111
if not os.path.exists(f):
112
raise BzrError('%r does not exist' % f)
118
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
120
head, tail = os.path.split(f)
122
# reached the root, whatever that may be
123
raise BzrError('%r is not in a branch' % orig_f)
126
class DivergedBranches(Exception):
127
def __init__(self, branch1, branch2):
128
self.branch1 = branch1
129
self.branch2 = branch2
130
Exception.__init__(self, "These branches have diverged.")
61
# cache in memory to make this faster. In general anything can be
62
# cached in memory between lock and unlock operations.
64
def find_branch(*ignored, **ignored_too):
65
# XXX: leave this here for about one release, then remove it
66
raise NotImplementedError('find_branch() is not supported anymore, '
67
'please use one of the new branch constructors')
133
69
######################################################################
150
146
Lock object from bzrlib.lock.
148
# We actually expect this class to be somewhat short-lived; part of its
149
# purpose is to try to isolate what bits of the branch logic are tied to
150
# filesystem access, so that in a later step, we can extricate them to
151
# a separarte ("storage") class.
153
152
_lock_mode = None
154
153
_lock_count = None
155
_inventory_weave = None
157
157
# Map some sort of prefix into a namespace
158
158
# stuff like "revno:10", "revid:", etc.
159
159
# This should match a prefix with a function which accepts
160
160
REVISION_NAMESPACES = {}
162
def __init__(self, base, init=False, find_root=True):
162
def push_stores(self, branch_to):
163
"""Copy the content of this branches store to branch_to."""
164
if (self._branch_format != branch_to._branch_format
165
or self._branch_format != 4):
166
from bzrlib.fetch import greedy_fetch
167
mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
168
self, self._branch_format, branch_to, branch_to._branch_format)
169
greedy_fetch(to_branch=branch_to, from_branch=self,
170
revision=self.last_revision())
173
store_pairs = ((self.text_store, branch_to.text_store),
174
(self.inventory_store, branch_to.inventory_store),
175
(self.revision_store, branch_to.revision_store))
177
for from_store, to_store in store_pairs:
178
copy_all(from_store, to_store)
179
except UnlistableStore:
180
raise UnlistableBranch(from_store)
182
def __init__(self, transport, init=False,
183
relax_version_check=False):
163
184
"""Create new branch object at a particular location.
165
base -- Base directory for the branch.
186
transport -- A Transport object, defining how to access files.
187
(If a string, transport.transport() will be used to
188
create a Transport object)
167
190
init -- If True, create new control files in a previously
168
191
unversioned directory. If False, the branch must already
171
find_root -- If true and init is false, find the root of the
172
existing branch containing base.
194
relax_version_check -- If true, the usual check for the branch
195
version is not applied. This is intended only for
196
upgrade/recovery type use; it's not guaranteed that
197
all operations will work on old format branches.
174
199
In the test suite, creation of new trees is tested using the
175
200
`ScratchBranch` class.
177
from bzrlib.store import ImmutableStore
202
assert isinstance(transport, Transport), \
203
"%r is not a Transport" % transport
204
self._transport = transport
179
self.base = os.path.realpath(base)
180
206
self._make_control()
182
self.base = find_branch_root(base)
184
self.base = os.path.realpath(base)
185
if not isdir(self.controlfilename('.')):
186
from errors import NotBranchError
187
raise NotBranchError("not a bzr branch: %s" % quotefn(base),
188
['use "bzr init" to initialize a new working tree',
189
'current bzr can only operate from top-of-tree'])
192
self.text_store = ImmutableStore(self.controlfilename('text-store'))
193
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
194
self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
207
self._check_format(relax_version_check)
209
def get_store(name, compressed=True, prefixed=False):
210
# FIXME: This approach of assuming stores are all entirely compressed
211
# or entirely uncompressed is tidy, but breaks upgrade from
212
# some existing branches where there's a mixture; we probably
213
# still want the option to look for both.
214
relpath = self._rel_controlfilename(name)
216
store = CompressedTextStore(self._transport.clone(relpath),
219
store = TextStore(self._transport.clone(relpath),
221
#if self._transport.should_cache():
222
# cache_path = os.path.join(self.cache_root, name)
223
# os.mkdir(cache_path)
224
# store = bzrlib.store.CachedStore(store, cache_path)
226
def get_weave(name, prefixed=False):
227
relpath = self._rel_controlfilename(name)
228
ws = WeaveStore(self._transport.clone(relpath), prefixed=prefixed)
229
if self._transport.should_cache():
230
ws.enable_cache = True
233
if self._branch_format == 4:
234
self.inventory_store = get_store('inventory-store')
235
self.text_store = get_store('text-store')
236
self.revision_store = get_store('revision-store')
237
elif self._branch_format == 5:
238
self.control_weaves = get_weave([])
239
self.weave_store = get_weave('weaves')
240
self.revision_store = get_store('revision-store', compressed=False)
241
elif self._branch_format == 6:
242
self.control_weaves = get_weave([])
243
self.weave_store = get_weave('weaves', prefixed=True)
244
self.revision_store = get_store('revision-store', compressed=False,
246
self._transaction = None
197
248
def __str__(self):
198
return '%s(%r)' % (self.__class__.__name__, self.base)
249
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
201
252
__repr__ = __str__
204
255
def __del__(self):
205
256
if self._lock_mode or self._lock:
206
from warnings import warn
257
# XXX: This should show something every time, and be suitable for
258
# headless operation and embedding
207
259
warn("branch %r was not explicitly unlocked" % self)
208
260
self._lock.unlock()
262
# TODO: It might be best to do this somewhere else,
263
# but it is nice for a Branch object to automatically
264
# cache it's information.
265
# Alternatively, we could have the Transport objects cache requests
266
# See the earlier discussion about how major objects (like Branch)
267
# should never expect their __del__ function to run.
268
if hasattr(self, 'cache_root') and self.cache_root is not None:
271
shutil.rmtree(self.cache_root)
274
self.cache_root = None
278
return self._transport.base
281
base = property(_get_base, doc="The URL for the root of this branch.")
283
def _finish_transaction(self):
284
"""Exit the current transaction."""
285
if self._transaction is None:
286
raise errors.LockError('Branch %s is not in a transaction' %
288
transaction = self._transaction
289
self._transaction = None
292
def get_transaction(self):
293
"""Return the current active transaction.
295
If no transaction is active, this returns a passthrough object
296
for which all data is immedaitely flushed and no caching happens.
298
if self._transaction is None:
299
return transactions.PassThroughTransaction()
301
return self._transaction
303
def _set_transaction(self, new_transaction):
304
"""Set a new active transaction."""
305
if self._transaction is not None:
306
raise errors.LockError('Branch %s is in a transaction already.' %
308
self._transaction = new_transaction
212
310
def lock_write(self):
311
mutter("lock write: %s (%s)", self, self._lock_count)
312
# TODO: Upgrade locking to support using a Transport,
313
# and potentially a remote locking protocol
213
314
if self._lock_mode:
214
315
if self._lock_mode != 'w':
215
from errors import LockError
216
316
raise LockError("can't upgrade to a write lock from %r" %
218
318
self._lock_count += 1
220
from bzrlib.lock import WriteLock
222
self._lock = WriteLock(self.controlfilename('branch-lock'))
320
self._lock = self._transport.lock_write(
321
self._rel_controlfilename('branch-lock'))
223
322
self._lock_mode = 'w'
224
323
self._lock_count = 1
324
self._set_transaction(transactions.PassThroughTransaction())
228
326
def lock_read(self):
327
mutter("lock read: %s (%s)", self, self._lock_count)
229
328
if self._lock_mode:
230
329
assert self._lock_mode in ('r', 'w'), \
231
330
"invalid lock mode %r" % self._lock_mode
232
331
self._lock_count += 1
234
from bzrlib.lock import ReadLock
236
self._lock = ReadLock(self.controlfilename('branch-lock'))
333
self._lock = self._transport.lock_read(
334
self._rel_controlfilename('branch-lock'))
237
335
self._lock_mode = 'r'
238
336
self._lock_count = 1
337
self._set_transaction(transactions.ReadOnlyTransaction())
338
# 5K may be excessive, but hey, its a knob.
339
self.get_transaction().set_cache_size(5000)
242
341
def unlock(self):
342
mutter("unlock: %s (%s)", self, self._lock_count)
243
343
if not self._lock_mode:
244
from errors import LockError
245
344
raise LockError('branch %r is not locked' % (self))
247
346
if self._lock_count > 1:
248
347
self._lock_count -= 1
349
self._finish_transaction()
250
350
self._lock.unlock()
251
351
self._lock = None
252
352
self._lock_mode = self._lock_count = None
255
354
def abspath(self, name):
256
"""Return absolute filename for something in the branch"""
257
return os.path.join(self.base, name)
260
def relpath(self, path):
261
"""Return path relative to this branch of something inside it.
263
Raises an error if path is not in this branch."""
264
return _relpath(self.base, path)
355
"""Return absolute filename for something in the branch
357
XXX: Robert Collins 20051017 what is this used for? why is it a branch
358
method and not a tree method.
360
return self._transport.abspath(name)
362
def _rel_controlfilename(self, file_or_path):
363
if isinstance(file_or_path, basestring):
364
file_or_path = [file_or_path]
365
return [bzrlib.BZRDIR] + file_or_path
267
367
def controlfilename(self, file_or_path):
268
368
"""Return location relative to branch."""
269
if isinstance(file_or_path, basestring):
270
file_or_path = [file_or_path]
271
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
369
return self._transport.abspath(self._rel_controlfilename(file_or_path))
274
372
def controlfile(self, file_or_path, mode='r'):
282
380
Controlfiles should almost never be opened in write mode but
283
381
rather should be atomically copied and replaced using atomicfile.
286
fn = self.controlfilename(file_or_path)
288
if mode == 'rb' or mode == 'wb':
289
return file(fn, mode)
290
elif mode == 'r' or mode == 'w':
291
# open in binary mode anyhow so there's no newline translation;
292
# codecs uses line buffering by default; don't want that.
294
return codecs.open(fn, mode + 'b', 'utf-8',
385
relpath = self._rel_controlfilename(file_or_path)
386
#TODO: codecs.open() buffers linewise, so it was overloaded with
387
# a much larger buffer, do we need to do the same for getreader/getwriter?
389
return self._transport.get(relpath)
391
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
393
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
395
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
297
397
raise BzrError("invalid controlfile mode %r" % mode)
399
def put_controlfile(self, path, f, encode=True):
400
"""Write an entry as a controlfile.
402
:param path: The path to put the file, relative to the .bzr control
404
:param f: A file-like or string object whose contents should be copied.
405
:param encode: If true, encode the contents as utf-8
407
self.put_controlfiles([(path, f)], encode=encode)
409
def put_controlfiles(self, files, encode=True):
410
"""Write several entries as controlfiles.
412
:param files: A list of [(path, file)] pairs, where the path is the directory
413
underneath the bzr control directory
414
:param encode: If true, encode the contents as utf-8
418
for path, f in files:
420
if isinstance(f, basestring):
421
f = f.encode('utf-8', 'replace')
423
f = codecs.getwriter('utf-8')(f, errors='replace')
424
path = self._rel_controlfilename(path)
425
ctrl_files.append((path, f))
426
self._transport.put_multi(ctrl_files)
301
428
def _make_control(self):
302
429
from bzrlib.inventory import Inventory
303
from bzrlib.xml import pack_xml
430
from bzrlib.weavefile import write_weave_v5
431
from bzrlib.weave import Weave
305
os.mkdir(self.controlfilename([]))
306
self.controlfile('README', 'w').write(
433
# Create an empty inventory
435
# if we want per-tree root ids then this is the place to set
436
# them; they're not needed for now and so ommitted for
438
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
439
empty_inv = sio.getvalue()
441
bzrlib.weavefile.write_weave_v5(Weave(), sio)
442
empty_weave = sio.getvalue()
444
dirs = [[], 'revision-store', 'weaves']
307
446
"This is a Bazaar-NG control directory.\n"
308
"Do not change any files in this directory.\n")
309
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
310
for d in ('text-store', 'inventory-store', 'revision-store'):
311
os.mkdir(self.controlfilename(d))
312
for f in ('revision-history', 'merged-patches',
313
'pending-merged-patches', 'branch-name',
316
self.controlfile(f, 'w').write('')
317
mutter('created control directory in ' + self.base)
319
pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
322
def _check_format(self):
447
"Do not change any files in this directory.\n"),
448
('branch-format', BZR_BRANCH_FORMAT_6),
449
('revision-history', ''),
452
('pending-merges', ''),
453
('inventory', empty_inv),
454
('inventory.weave', empty_weave),
455
('ancestry.weave', empty_weave)
457
cfn = self._rel_controlfilename
458
self._transport.mkdir_multi([cfn(d) for d in dirs])
459
self.put_controlfiles(files)
460
mutter('created control directory in ' + self._transport.base)
462
def _check_format(self, relax_version_check):
323
463
"""Check this branch format is supported.
325
The current tool only supports the current unstable format.
465
The format level is stored, as an integer, in
466
self._branch_format for code that needs to check it later.
327
468
In the future, we might need different in-memory Branch
328
469
classes to support downlevel branches. But not yet.
330
# This ignores newlines so that we can open branches created
331
# on Windows from Linux and so on. I think it might be better
332
# to always make all internal files in unix format.
333
fmt = self.controlfile('branch-format', 'r').read()
334
fmt.replace('\r\n', '')
335
if fmt != BZR_BRANCH_FORMAT:
336
raise BzrError('sorry, branch format %r not supported' % fmt,
472
fmt = self.controlfile('branch-format', 'r').read()
474
raise NotBranchError(self.base)
475
mutter("got branch format %r", fmt)
476
if fmt == BZR_BRANCH_FORMAT_6:
477
self._branch_format = 6
478
elif fmt == BZR_BRANCH_FORMAT_5:
479
self._branch_format = 5
480
elif fmt == BZR_BRANCH_FORMAT_4:
481
self._branch_format = 4
483
if (not relax_version_check
484
and self._branch_format not in (5, 6)):
485
raise errors.UnsupportedFormatError(
486
'sorry, branch format %r not supported' % fmt,
337
487
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
488
'or remove the .bzr directory'
489
' and "bzr init" again'])
340
491
def get_root_id(self):
341
492
"""Return the id of this branches root"""
645
788
# the revision, (add signatures/remove signatures) and still
646
789
# have all hash pointers stay consistent.
647
790
# But for now, just hash the contents.
648
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
651
def get_inventory(self, inventory_id):
652
"""Get Inventory object by hash.
654
TODO: Perhaps for this and similar methods, take a revision
655
parameter which can be either an integer revno or a
657
from bzrlib.inventory import Inventory
658
from bzrlib.xml import unpack_xml
660
return unpack_xml(Inventory, self.inventory_store[inventory_id])
663
def get_inventory_sha1(self, inventory_id):
791
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
793
def get_ancestry(self, revision_id):
794
"""Return a list of revision-ids integrated by a revision.
796
This currently returns a list, but the ordering is not guaranteed:
799
if revision_id is None:
801
w = self.get_inventory_weave()
802
return [None] + map(w.idx_to_name,
803
w.inclusions([w.lookup(revision_id)]))
805
def get_inventory_weave(self):
806
return self.control_weaves.get_weave('inventory',
807
self.get_transaction())
809
def get_inventory(self, revision_id):
810
"""Get Inventory object by hash."""
811
xml = self.get_inventory_xml(revision_id)
812
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
814
def get_inventory_xml(self, revision_id):
815
"""Get inventory XML as a file object."""
817
assert isinstance(revision_id, basestring), type(revision_id)
818
iw = self.get_inventory_weave()
819
return iw.get_text(iw.lookup(revision_id))
821
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
823
def get_inventory_sha1(self, revision_id):
664
824
"""Return the sha1 hash of the inventory entry
666
return sha_file(self.inventory_store[inventory_id])
826
return self.get_revision(revision_id).inventory_sha1
669
828
def get_revision_inventory(self, revision_id):
670
829
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
830
# TODO: Unify this with get_inventory()
831
# bzr 0.0.6 and later imposes the constraint that the inventory_id
672
832
# must be the same as its revision, so this is trivial.
673
833
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
834
return Inventory(self.get_root_id())
677
836
return self.get_inventory(revision_id)
680
838
def revision_history(self):
681
"""Return sequence of revision hashes on to this branch.
683
>>> ScratchBranch().revision_history()
839
"""Return sequence of revision hashes on to this branch."""
688
return [l.rstrip('\r\n') for l in
842
transaction = self.get_transaction()
843
history = transaction.map.find_revision_history()
844
if history is not None:
845
mutter("cache hit for revision-history in %s", self)
847
history = [l.rstrip('\r\n') for l in
689
848
self.controlfile('revision-history', 'r').readlines()]
849
transaction.map.add_revision_history(history)
850
# this call is disabled because revision_history is
851
# not really an object yet, and the transaction is for objects.
852
# transaction.register_clean(history, precious=True)
694
def common_ancestor(self, other, self_revno=None, other_revno=None):
697
>>> sb = ScratchBranch(files=['foo', 'foo~'])
698
>>> sb.common_ancestor(sb) == (None, None)
700
>>> commit.commit(sb, "Committing first revision", verbose=False)
701
>>> sb.common_ancestor(sb)[0]
703
>>> clone = sb.clone()
704
>>> commit.commit(sb, "Committing second revision", verbose=False)
705
>>> sb.common_ancestor(sb)[0]
707
>>> sb.common_ancestor(clone)[0]
709
>>> commit.commit(clone, "Committing divergent second revision",
711
>>> sb.common_ancestor(clone)[0]
713
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
715
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
717
>>> clone2 = sb.clone()
718
>>> sb.common_ancestor(clone2)[0]
720
>>> sb.common_ancestor(clone2, self_revno=1)[0]
722
>>> sb.common_ancestor(clone2, other_revno=1)[0]
725
my_history = self.revision_history()
726
other_history = other.revision_history()
727
if self_revno is None:
728
self_revno = len(my_history)
729
if other_revno is None:
730
other_revno = len(other_history)
731
indices = range(min((self_revno, other_revno)))
734
if my_history[r] == other_history[r]:
735
return r+1, my_history[r]
740
858
"""Return current revision number for this branch.
794
913
if stop_revision is None:
795
914
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
916
assert isinstance(stop_revision, int)
917
if stop_revision > other_len:
918
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
799
919
return other_history[self_len:stop_revision]
802
921
def update_revisions(self, other, stop_revision=None):
803
"""Pull in all new revisions from other branch.
805
>>> from bzrlib.commit import commit
806
>>> bzrlib.trace.silent = True
807
>>> br1 = ScratchBranch(files=['foo', 'bar'])
810
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
811
>>> br2 = ScratchBranch()
812
>>> br2.update_revisions(br1)
816
>>> br2.revision_history()
818
>>> br2.update_revisions(br1)
822
>>> br1.text_store.total_size() == br2.text_store.total_size()
825
from bzrlib.progress import ProgressBar
829
pb.update('comparing histories')
830
revision_ids = self.missing_revisions(other, stop_revision)
832
if hasattr(other.revision_store, "prefetch"):
833
other.revision_store.prefetch(revision_ids)
834
if hasattr(other.inventory_store, "prefetch"):
835
inventory_ids = [other.get_revision(r).inventory_id
836
for r in revision_ids]
837
other.inventory_store.prefetch(inventory_ids)
842
for rev_id in revision_ids:
844
pb.update('fetching revision', i, len(revision_ids))
845
rev = other.get_revision(rev_id)
846
revisions.append(rev)
847
inv = other.get_inventory(str(rev.inventory_id))
848
for key, entry in inv.iter_entries():
849
if entry.text_id is None:
851
if entry.text_id not in self.text_store:
852
needed_texts.add(entry.text_id)
856
count = self.text_store.copy_multi(other.text_store, needed_texts)
857
print "Added %d texts." % count
858
inventory_ids = [ f.inventory_id for f in revisions ]
859
count = self.inventory_store.copy_multi(other.inventory_store,
861
print "Added %d inventories." % count
862
revision_ids = [ f.revision_id for f in revisions]
863
count = self.revision_store.copy_multi(other.revision_store,
865
for revision_id in revision_ids:
866
self.append_revision(revision_id)
867
print "Added %d revisions." % count
922
"""Pull in new perfect-fit revisions."""
923
# FIXME: If the branches have diverged, but the latest
924
# revision in this branch is completely merged into the other,
925
# then we should still be able to pull.
926
from bzrlib.fetch import greedy_fetch
927
if stop_revision is None:
928
stop_revision = other.last_revision()
929
### Should this be checking is_ancestor instead of revision_history?
930
if (stop_revision is not None and
931
stop_revision in self.revision_history()):
933
greedy_fetch(to_branch=self, from_branch=other,
934
revision=stop_revision)
935
pullable_revs = self.pullable_revisions(other, stop_revision)
936
if len(pullable_revs) > 0:
937
self.append_revision(*pullable_revs)
939
def pullable_revisions(self, other, stop_revision):
940
other_revno = other.revision_id_to_revno(stop_revision)
942
return self.missing_revisions(other, other_revno)
943
except DivergedBranches, e:
945
pullable_revs = get_intervening_revisions(self.last_revision(),
947
assert self.last_revision() not in pullable_revs
949
except bzrlib.errors.NotAncestor:
950
if is_ancestor(self.last_revision(), stop_revision, self):
870
956
def commit(self, *args, **kw):
871
from bzrlib.commit import commit
872
commit(self, *args, **kw)
875
def lookup_revision(self, revision):
876
"""Return the revision identifier for a given revision information."""
877
revno, info = self.get_revision_info(revision)
880
def get_revision_info(self, revision):
881
"""Return (revno, revision id) for revision identifier.
883
revision can be an integer, in which case it is assumed to be revno (though
884
this will translate negative values into positive ones)
885
revision can also be a string, in which case it is parsed for something like
886
'date:' or 'revid:' etc.
891
try:# Convert to int if possible
892
revision = int(revision)
895
revs = self.revision_history()
896
if isinstance(revision, int):
899
# Mabye we should do this first, but we don't need it if revision == 0
901
revno = len(revs) + revision + 1
904
elif isinstance(revision, basestring):
905
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
906
if revision.startswith(prefix):
907
revno = func(self, revs, revision)
910
raise BzrError('No namespace registered for string: %r' % revision)
912
if revno is None or revno <= 0 or revno > len(revs):
913
raise BzrError("no such revision %s" % revision)
914
return revno, revs[revno-1]
916
def _namespace_revno(self, revs, revision):
917
"""Lookup a revision by revision number"""
918
assert revision.startswith('revno:')
920
return int(revision[6:])
923
REVISION_NAMESPACES['revno:'] = _namespace_revno
925
def _namespace_revid(self, revs, revision):
926
assert revision.startswith('revid:')
928
return revs.index(revision[6:]) + 1
931
REVISION_NAMESPACES['revid:'] = _namespace_revid
933
def _namespace_last(self, revs, revision):
934
assert revision.startswith('last:')
936
offset = int(revision[5:])
941
raise BzrError('You must supply a positive value for --revision last:XXX')
942
return len(revs) - offset + 1
943
REVISION_NAMESPACES['last:'] = _namespace_last
945
def _namespace_tag(self, revs, revision):
946
assert revision.startswith('tag:')
947
raise BzrError('tag: namespace registered, but not implemented.')
948
REVISION_NAMESPACES['tag:'] = _namespace_tag
950
def _namespace_date(self, revs, revision):
951
assert revision.startswith('date:')
953
# Spec for date revisions:
955
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
956
# it can also start with a '+/-/='. '+' says match the first
957
# entry after the given date. '-' is match the first entry before the date
958
# '=' is match the first entry after, but still on the given date.
960
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
961
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
962
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
963
# May 13th, 2005 at 0:00
965
# So the proper way of saying 'give me all entries for today' is:
966
# -r {date:+today}:{date:-tomorrow}
967
# The default is '=' when not supplied
970
if val[:1] in ('+', '-', '='):
971
match_style = val[:1]
974
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
975
if val.lower() == 'yesterday':
976
dt = today - datetime.timedelta(days=1)
977
elif val.lower() == 'today':
979
elif val.lower() == 'tomorrow':
980
dt = today + datetime.timedelta(days=1)
983
# This should be done outside the function to avoid recompiling it.
984
_date_re = re.compile(
985
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
987
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
989
m = _date_re.match(val)
990
if not m or (not m.group('date') and not m.group('time')):
991
raise BzrError('Invalid revision date %r' % revision)
994
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
996
year, month, day = today.year, today.month, today.day
998
hour = int(m.group('hour'))
999
minute = int(m.group('minute'))
1000
if m.group('second'):
1001
second = int(m.group('second'))
1005
hour, minute, second = 0,0,0
1007
dt = datetime.datetime(year=year, month=month, day=day,
1008
hour=hour, minute=minute, second=second)
1012
if match_style == '-':
1014
elif match_style == '=':
1015
last = dt + datetime.timedelta(days=1)
1018
for i in range(len(revs)-1, -1, -1):
1019
r = self.get_revision(revs[i])
1020
# TODO: Handle timezone.
1021
dt = datetime.datetime.fromtimestamp(r.timestamp)
1022
if first >= dt and (last is None or dt >= last):
1025
for i in range(len(revs)):
1026
r = self.get_revision(revs[i])
1027
# TODO: Handle timezone.
1028
dt = datetime.datetime.fromtimestamp(r.timestamp)
1029
if first <= dt and (last is None or dt <= last):
1031
REVISION_NAMESPACES['date:'] = _namespace_date
957
from bzrlib.commit import Commit
958
Commit().commit(self, *args, **kw)
960
def revision_id_to_revno(self, revision_id):
961
"""Given a revision id, return its revno"""
962
if revision_id is None:
964
history = self.revision_history()
966
return history.index(revision_id) + 1
968
raise bzrlib.errors.NoSuchRevision(self, revision_id)
970
def get_rev_id(self, revno, history=None):
971
"""Find the revision id of the specified revno."""
975
history = self.revision_history()
976
elif revno <= 0 or revno > len(history):
977
raise bzrlib.errors.NoSuchRevision(self, revno)
978
return history[revno - 1]
1033
980
def revision_tree(self, revision_id):
1034
981
"""Return Tree for a revision on this branch.
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1243
validate_revision_id(revision_id)
1191
def add_pending_merge(self, *revision_ids):
1192
# TODO: Perhaps should check at this point that the
1193
# history of the revision is actually present?
1245
1194
p = self.pending_merges()
1246
if revision_id in p:
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1196
for rev_id in revision_ids:
1202
self.set_pending_merges(p)
1252
1204
def set_pending_merges(self, rev_list):
1207
self.put_controlfile('pending-merges', '\n'.join(rev_list))
1212
def get_parent(self):
1213
"""Return the parent location of the branch.
1215
This is the default location for push/pull/missing. The usual
1216
pattern is that the user can override it by specifying a
1220
_locs = ['parent', 'pull', 'x-pull']
1223
return self.controlfile(l, 'r').read().strip('\n')
1225
if e.errno != errno.ENOENT:
1230
def set_parent(self, url):
1231
# TODO: Maybe delete old location files?
1253
1232
from bzrlib.atomicfile import AtomicFile
1254
1233
self.lock_write()
1256
f = AtomicFile(self.controlfilename('pending-merges'))
1235
f = AtomicFile(self.controlfilename('parent'))
1268
class ScratchBranch(Branch):
1244
def check_revno(self, revno):
1246
Check whether a revno corresponds to any revision.
1247
Zero (the NULL revision) is considered valid.
1250
self.check_real_revno(revno)
1252
def check_real_revno(self, revno):
1254
Check whether a revno corresponds to a real revision.
1255
Zero (the NULL revision) is considered invalid
1257
if revno < 1 or revno > self.revno():
1258
raise InvalidRevisionNumber(revno)
1264
class ScratchBranch(_Branch):
1269
1265
"""Special test class: a branch that cleans up after itself.
1271
1267
>>> b = ScratchBranch()