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
38
from bzrlib.revision import Revision
30
from bzrlib.xml import unpack_xml
31
39
from bzrlib.delta import compare_trees
32
40
from bzrlib.tree import EmptyTree, RevisionTree
34
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
41
from bzrlib.inventory import Inventory
42
from bzrlib.store import copy_all
43
from bzrlib.store.compressed_text import CompressedTextStore
44
from bzrlib.store.text import TextStore
45
from bzrlib.store.weave import WeaveStore
46
import bzrlib.transactions as transactions
47
from bzrlib.transport import Transport, get_transport
52
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
53
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
54
BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
35
55
## TODO: Maybe include checks for common corruption of newlines, etc?
38
58
# TODO: Some operations like log might retrieve the same revisions
39
59
# 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')
60
# cache in memory to make this faster. In general anything can be
61
# cached in memory between lock and unlock operations.
63
def find_branch(*ignored, **ignored_too):
64
# XXX: leave this here for about one release, then remove it
65
raise NotImplementedError('find_branch() is not supported anymore, '
66
'please use one of the new branch constructors')
68
67
def _relpath(base, path):
69
68
"""Return path relative to base, or raise exception.
150
181
Lock object from bzrlib.lock.
183
# We actually expect this class to be somewhat short-lived; part of its
184
# purpose is to try to isolate what bits of the branch logic are tied to
185
# filesystem access, so that in a later step, we can extricate them to
186
# a separarte ("storage") class.
153
187
_lock_mode = None
154
188
_lock_count = None
190
_inventory_weave = None
157
192
# Map some sort of prefix into a namespace
158
193
# stuff like "revno:10", "revid:", etc.
159
194
# This should match a prefix with a function which accepts
160
195
REVISION_NAMESPACES = {}
162
def __init__(self, base, init=False, find_root=True):
197
def push_stores(self, branch_to):
198
"""Copy the content of this branches store to branch_to."""
199
if (self._branch_format != branch_to._branch_format
200
or self._branch_format != 4):
201
from bzrlib.fetch import greedy_fetch
202
mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
203
self, self._branch_format, branch_to, branch_to._branch_format)
204
greedy_fetch(to_branch=branch_to, from_branch=self,
205
revision=self.last_revision())
208
store_pairs = ((self.text_store, branch_to.text_store),
209
(self.inventory_store, branch_to.inventory_store),
210
(self.revision_store, branch_to.revision_store))
212
for from_store, to_store in store_pairs:
213
copy_all(from_store, to_store)
214
except UnlistableStore:
215
raise UnlistableBranch(from_store)
217
def __init__(self, transport, init=False,
218
relax_version_check=False):
163
219
"""Create new branch object at a particular location.
165
base -- Base directory for the branch.
221
transport -- A Transport object, defining how to access files.
222
(If a string, transport.transport() will be used to
223
create a Transport object)
167
225
init -- If True, create new control files in a previously
168
226
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.
229
relax_version_check -- If true, the usual check for the branch
230
version is not applied. This is intended only for
231
upgrade/recovery type use; it's not guaranteed that
232
all operations will work on old format branches.
174
234
In the test suite, creation of new trees is tested using the
175
235
`ScratchBranch` class.
177
from bzrlib.store import ImmutableStore
237
assert isinstance(transport, Transport), \
238
"%r is not a Transport" % transport
239
self._transport = transport
179
self.base = os.path.realpath(base)
180
241
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'))
242
self._check_format(relax_version_check)
244
def get_store(name, compressed=True, prefixed=False):
245
# FIXME: This approach of assuming stores are all entirely compressed
246
# or entirely uncompressed is tidy, but breaks upgrade from
247
# some existing branches where there's a mixture; we probably
248
# still want the option to look for both.
249
relpath = self._rel_controlfilename(name)
251
store = CompressedTextStore(self._transport.clone(relpath),
254
store = TextStore(self._transport.clone(relpath),
256
#if self._transport.should_cache():
257
# cache_path = os.path.join(self.cache_root, name)
258
# os.mkdir(cache_path)
259
# store = bzrlib.store.CachedStore(store, cache_path)
261
def get_weave(name, prefixed=False):
262
relpath = self._rel_controlfilename(name)
263
ws = WeaveStore(self._transport.clone(relpath), prefixed=prefixed)
264
if self._transport.should_cache():
265
ws.enable_cache = True
268
if self._branch_format == 4:
269
self.inventory_store = get_store('inventory-store')
270
self.text_store = get_store('text-store')
271
self.revision_store = get_store('revision-store')
272
elif self._branch_format == 5:
273
self.control_weaves = get_weave([])
274
self.weave_store = get_weave('weaves')
275
self.revision_store = get_store('revision-store', compressed=False)
276
elif self._branch_format == 6:
277
self.control_weaves = get_weave([])
278
self.weave_store = get_weave('weaves', prefixed=True)
279
self.revision_store = get_store('revision-store', compressed=False,
281
self._transaction = None
197
283
def __str__(self):
198
return '%s(%r)' % (self.__class__.__name__, self.base)
284
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
201
287
__repr__ = __str__
204
290
def __del__(self):
205
291
if self._lock_mode or self._lock:
206
from warnings import warn
292
# XXX: This should show something every time, and be suitable for
293
# headless operation and embedding
207
294
warn("branch %r was not explicitly unlocked" % self)
208
295
self._lock.unlock()
297
# TODO: It might be best to do this somewhere else,
298
# but it is nice for a Branch object to automatically
299
# cache it's information.
300
# Alternatively, we could have the Transport objects cache requests
301
# See the earlier discussion about how major objects (like Branch)
302
# should never expect their __del__ function to run.
303
if hasattr(self, 'cache_root') and self.cache_root is not None:
306
shutil.rmtree(self.cache_root)
309
self.cache_root = None
313
return self._transport.base
316
base = property(_get_base)
318
def _finish_transaction(self):
319
"""Exit the current transaction."""
320
if self._transaction is None:
321
raise errors.LockError('Branch %s is not in a transaction' %
323
transaction = self._transaction
324
self._transaction = None
327
def get_transaction(self):
328
"""Return the current active transaction.
330
If no transaction is active, this returns a passthrough object
331
for which all data is immedaitely flushed and no caching happens.
333
if self._transaction is None:
334
return transactions.PassThroughTransaction()
336
return self._transaction
338
def _set_transaction(self, new_transaction):
339
"""Set a new active transaction."""
340
if self._transaction is not None:
341
raise errors.LockError('Branch %s is in a transaction already.' %
343
self._transaction = new_transaction
212
345
def lock_write(self):
346
mutter("lock write: %s (%s)", self, self._lock_count)
347
# TODO: Upgrade locking to support using a Transport,
348
# and potentially a remote locking protocol
213
349
if self._lock_mode:
214
350
if self._lock_mode != 'w':
215
from errors import LockError
216
351
raise LockError("can't upgrade to a write lock from %r" %
218
353
self._lock_count += 1
220
from bzrlib.lock import WriteLock
222
self._lock = WriteLock(self.controlfilename('branch-lock'))
355
self._lock = self._transport.lock_write(
356
self._rel_controlfilename('branch-lock'))
223
357
self._lock_mode = 'w'
224
358
self._lock_count = 1
359
self._set_transaction(transactions.PassThroughTransaction())
228
362
def lock_read(self):
363
mutter("lock read: %s (%s)", self, self._lock_count)
229
364
if self._lock_mode:
230
365
assert self._lock_mode in ('r', 'w'), \
231
366
"invalid lock mode %r" % self._lock_mode
232
367
self._lock_count += 1
234
from bzrlib.lock import ReadLock
236
self._lock = ReadLock(self.controlfilename('branch-lock'))
369
self._lock = self._transport.lock_read(
370
self._rel_controlfilename('branch-lock'))
237
371
self._lock_mode = 'r'
238
372
self._lock_count = 1
373
self._set_transaction(transactions.ReadOnlyTransaction())
242
375
def unlock(self):
376
mutter("unlock: %s (%s)", self, self._lock_count)
243
377
if not self._lock_mode:
244
from errors import LockError
245
378
raise LockError('branch %r is not locked' % (self))
247
380
if self._lock_count > 1:
248
381
self._lock_count -= 1
383
self._finish_transaction()
250
384
self._lock.unlock()
251
385
self._lock = None
252
386
self._lock_mode = self._lock_count = None
255
388
def abspath(self, name):
256
389
"""Return absolute filename for something in the branch"""
257
return os.path.join(self.base, name)
390
return self._transport.abspath(name)
260
392
def relpath(self, path):
261
393
"""Return path relative to this branch of something inside it.
263
395
Raises an error if path is not in this branch."""
264
return _relpath(self.base, path)
396
return self._transport.relpath(path)
399
def _rel_controlfilename(self, file_or_path):
400
if isinstance(file_or_path, basestring):
401
file_or_path = [file_or_path]
402
return [bzrlib.BZRDIR] + file_or_path
267
404
def controlfilename(self, file_or_path):
268
405
"""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)
406
return self._transport.abspath(self._rel_controlfilename(file_or_path))
274
409
def controlfile(self, file_or_path, mode='r'):
282
417
Controlfiles should almost never be opened in write mode but
283
418
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',
422
relpath = self._rel_controlfilename(file_or_path)
423
#TODO: codecs.open() buffers linewise, so it was overloaded with
424
# a much larger buffer, do we need to do the same for getreader/getwriter?
426
return self._transport.get(relpath)
428
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
430
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
432
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
297
434
raise BzrError("invalid controlfile mode %r" % mode)
436
def put_controlfile(self, path, f, encode=True):
437
"""Write an entry as a controlfile.
439
:param path: The path to put the file, relative to the .bzr control
441
:param f: A file-like or string object whose contents should be copied.
442
:param encode: If true, encode the contents as utf-8
444
self.put_controlfiles([(path, f)], encode=encode)
446
def put_controlfiles(self, files, encode=True):
447
"""Write several entries as controlfiles.
449
:param files: A list of [(path, file)] pairs, where the path is the directory
450
underneath the bzr control directory
451
:param encode: If true, encode the contents as utf-8
455
for path, f in files:
457
if isinstance(f, basestring):
458
f = f.encode('utf-8', 'replace')
460
f = codecs.getwriter('utf-8')(f, errors='replace')
461
path = self._rel_controlfilename(path)
462
ctrl_files.append((path, f))
463
self._transport.put_multi(ctrl_files)
301
465
def _make_control(self):
302
466
from bzrlib.inventory import Inventory
303
from bzrlib.xml import pack_xml
467
from bzrlib.weavefile import write_weave_v5
468
from bzrlib.weave import Weave
305
os.mkdir(self.controlfilename([]))
306
self.controlfile('README', 'w').write(
470
# Create an empty inventory
472
# if we want per-tree root ids then this is the place to set
473
# them; they're not needed for now and so ommitted for
475
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
476
empty_inv = sio.getvalue()
478
bzrlib.weavefile.write_weave_v5(Weave(), sio)
479
empty_weave = sio.getvalue()
481
dirs = [[], 'revision-store', 'weaves']
307
483
"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):
484
"Do not change any files in this directory.\n"),
485
('branch-format', BZR_BRANCH_FORMAT_6),
486
('revision-history', ''),
489
('pending-merges', ''),
490
('inventory', empty_inv),
491
('inventory.weave', empty_weave),
492
('ancestry.weave', empty_weave)
494
cfn = self._rel_controlfilename
495
self._transport.mkdir_multi([cfn(d) for d in dirs])
496
self.put_controlfiles(files)
497
mutter('created control directory in ' + self._transport.base)
499
def _check_format(self, relax_version_check):
323
500
"""Check this branch format is supported.
325
The current tool only supports the current unstable format.
502
The format level is stored, as an integer, in
503
self._branch_format for code that needs to check it later.
327
505
In the future, we might need different in-memory Branch
328
506
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,
509
fmt = self.controlfile('branch-format', 'r').read()
511
raise NotBranchError(self.base)
512
mutter("got branch format %r", fmt)
513
if fmt == BZR_BRANCH_FORMAT_6:
514
self._branch_format = 6
515
elif fmt == BZR_BRANCH_FORMAT_5:
516
self._branch_format = 5
517
elif fmt == BZR_BRANCH_FORMAT_4:
518
self._branch_format = 4
520
if (not relax_version_check
521
and self._branch_format not in (5, 6)):
522
raise errors.UnsupportedFormatError(
523
'sorry, branch format %r not supported' % fmt,
337
524
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
525
'or remove the .bzr directory'
526
' and "bzr init" again'])
340
528
def get_root_id(self):
341
529
"""Return the id of this branches root"""
645
825
# the revision, (add signatures/remove signatures) and still
646
826
# have all hash pointers stay consistent.
647
827
# 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):
828
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
830
def get_ancestry(self, revision_id):
831
"""Return a list of revision-ids integrated by a revision.
833
This currently returns a list, but the ordering is not guaranteed:
836
if revision_id is None:
838
w = self.get_inventory_weave()
839
return [None] + map(w.idx_to_name,
840
w.inclusions([w.lookup(revision_id)]))
842
def get_inventory_weave(self):
843
return self.control_weaves.get_weave('inventory',
844
self.get_transaction())
846
def get_inventory(self, revision_id):
847
"""Get Inventory object by hash."""
848
xml = self.get_inventory_xml(revision_id)
849
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
851
def get_inventory_xml(self, revision_id):
852
"""Get inventory XML as a file object."""
854
assert isinstance(revision_id, basestring), type(revision_id)
855
iw = self.get_inventory_weave()
856
return iw.get_text(iw.lookup(revision_id))
858
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
860
def get_inventory_sha1(self, revision_id):
664
861
"""Return the sha1 hash of the inventory entry
666
return sha_file(self.inventory_store[inventory_id])
863
return self.get_revision(revision_id).inventory_sha1
669
865
def get_revision_inventory(self, revision_id):
670
866
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
867
# TODO: Unify this with get_inventory()
868
# bzr 0.0.6 and later imposes the constraint that the inventory_id
672
869
# must be the same as its revision, so this is trivial.
673
870
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
871
return Inventory(self.get_root_id())
677
873
return self.get_inventory(revision_id)
680
875
def revision_history(self):
681
"""Return sequence of revision hashes on to this branch.
683
>>> ScratchBranch().revision_history()
876
"""Return sequence of revision hashes on to this branch."""
688
879
return [l.rstrip('\r\n') for l in
794
988
if stop_revision is None:
795
989
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
991
assert isinstance(stop_revision, int)
992
if stop_revision > other_len:
993
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
799
994
return other_history[self_len:stop_revision]
802
996
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
997
"""Pull in new perfect-fit revisions."""
998
from bzrlib.fetch import greedy_fetch
999
from bzrlib.revision import get_intervening_revisions
1000
if stop_revision is None:
1001
stop_revision = other.last_revision()
1002
greedy_fetch(to_branch=self, from_branch=other,
1003
revision=stop_revision)
1004
pullable_revs = self.missing_revisions(
1005
other, other.revision_id_to_revno(stop_revision))
1007
greedy_fetch(to_branch=self,
1009
revision=pullable_revs[-1])
1010
self.append_revision(*pullable_revs)
870
1013
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
1014
from bzrlib.commit import Commit
1015
Commit().commit(self, *args, **kw)
1017
def revision_id_to_revno(self, revision_id):
1018
"""Given a revision id, return its revno"""
1019
if revision_id is None:
1021
history = self.revision_history()
1023
return history.index(revision_id) + 1
1025
raise bzrlib.errors.NoSuchRevision(self, revision_id)
1027
def get_rev_id(self, revno, history=None):
1028
"""Find the revision id of the specified revno."""
1032
history = self.revision_history()
1033
elif revno <= 0 or revno > len(history):
1034
raise bzrlib.errors.NoSuchRevision(self, revno)
1035
return history[revno - 1]
1033
1037
def revision_tree(self, revision_id):
1034
1038
"""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)
1248
def add_pending_merge(self, *revision_ids):
1249
# TODO: Perhaps should check at this point that the
1250
# history of the revision is actually present?
1245
1251
p = self.pending_merges()
1246
if revision_id in p:
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1253
for rev_id in revision_ids:
1259
self.set_pending_merges(p)
1252
1261
def set_pending_merges(self, rev_list):
1264
self.put_controlfile('pending-merges', '\n'.join(rev_list))
1269
def get_parent(self):
1270
"""Return the parent location of the branch.
1272
This is the default location for push/pull/missing. The usual
1273
pattern is that the user can override it by specifying a
1277
_locs = ['parent', 'pull', 'x-pull']
1280
return self.controlfile(l, 'r').read().strip('\n')
1282
if e.errno != errno.ENOENT:
1287
def set_parent(self, url):
1288
# TODO: Maybe delete old location files?
1253
1289
from bzrlib.atomicfile import AtomicFile
1254
1290
self.lock_write()
1256
f = AtomicFile(self.controlfilename('pending-merges'))
1292
f = AtomicFile(self.controlfilename('parent'))
1268
class ScratchBranch(Branch):
1301
def check_revno(self, revno):
1303
Check whether a revno corresponds to any revision.
1304
Zero (the NULL revision) is considered valid.
1307
self.check_real_revno(revno)
1309
def check_real_revno(self, revno):
1311
Check whether a revno corresponds to a real revision.
1312
Zero (the NULL revision) is considered invalid
1314
if revno < 1 or revno > self.revno():
1315
raise InvalidRevisionNumber(revno)
1321
class ScratchBranch(_Branch):
1269
1322
"""Special test class: a branch that cleans up after itself.
1271
1324
>>> b = ScratchBranch()