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
27
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)
29
37
from bzrlib.textui import show_status
30
38
from bzrlib.revision import Revision
31
39
from bzrlib.delta import compare_trees
32
40
from bzrlib.tree import EmptyTree, RevisionTree
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
38
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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"
39
55
## TODO: Maybe include checks for common corruption of newlines, etc?
42
58
# TODO: Some operations like log might retrieve the same revisions
43
59
# repeatedly to calculate deltas. We could perhaps have a weakref
44
# cache in memory to make this faster.
46
# TODO: please move the revision-string syntax stuff out of the branch
47
# object; it's clutter
50
def find_branch(f, **args):
51
if f and (f.startswith('http://') or f.startswith('https://')):
53
return remotebranch.RemoteBranch(f, **args)
55
return Branch(f, **args)
58
def find_cached_branch(f, cache_root, **args):
59
from remotebranch import RemoteBranch
60
br = find_branch(f, **args)
61
def cacheify(br, store_name):
62
from meta_store import CachedStore
63
cache_path = os.path.join(cache_root, store_name)
65
new_store = CachedStore(getattr(br, store_name), cache_path)
66
setattr(br, store_name, new_store)
68
if isinstance(br, RemoteBranch):
69
cacheify(br, 'inventory_store')
70
cacheify(br, 'text_store')
71
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')
75
67
def _relpath(base, path):
76
68
"""Return path relative to base, or raise exception.
97
from errors import NotBranchError
98
89
raise NotBranchError("path %r is not within branch %r" % (rp, base))
100
91
return os.sep.join(s)
103
def find_branch_root(f=None):
104
"""Find the branch root enclosing f, or pwd.
106
f may be a filename or a URL.
108
It is not necessary that f exists.
94
def find_branch_root(t):
95
"""Find the branch root enclosing the transport's base.
97
t is a Transport object.
99
It is not necessary that the base of t exists.
110
101
Basically we keep looking up until we find the control directory or
111
102
run into the root. If there isn't one, raises NotBranchError.
115
elif hasattr(os.path, 'realpath'):
116
f = os.path.realpath(f)
118
f = os.path.abspath(f)
119
if not os.path.exists(f):
120
raise BzrError('%r does not exist' % f)
126
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
128
head, tail = os.path.split(f)
106
if t.has(bzrlib.BZRDIR):
108
new_t = t.clone('..')
109
if new_t.base == t.base:
130
110
# reached the root, whatever that may be
131
raise bzrlib.errors.NotBranchError('%s is not in a branch' % orig_f)
136
# XXX: move into bzrlib.errors; subclass BzrError
137
class DivergedBranches(Exception):
138
def __init__(self, branch1, branch2):
139
self.branch1 = branch1
140
self.branch2 = branch2
141
Exception.__init__(self, "These branches have diverged.")
111
raise NotBranchError('%s is not in a branch' % orig_base)
144
115
######################################################################
148
119
"""Branch holding a history of revisions.
151
Base directory of the branch.
122
Base directory/url of the branch.
126
def __init__(self, *ignored, **ignored_too):
127
raise NotImplementedError('The Branch class is abstract')
130
def open_downlevel(base):
131
"""Open a branch which may be of an old format.
133
Only local branches are supported."""
134
return _Branch(get_transport(base), relax_version_check=True)
138
"""Open an existing branch, rooted at 'base' (url)"""
139
t = get_transport(base)
140
mutter("trying to open %r with transport %r", base, t)
144
def open_containing(url):
145
"""Open an existing branch which contains url.
147
This probes for a branch at url, and searches upwards from there.
149
t = get_transport(url)
150
t = find_branch_root(t)
154
def initialize(base):
155
"""Create a new branch, rooted at 'base' (url)"""
156
t = get_transport(base)
157
return _Branch(t, init=True)
159
def setup_caching(self, cache_root):
160
"""Subclasses that care about caching should override this, and set
161
up cached stores located under cache_root.
163
self.cache_root = cache_root
166
class _Branch(Branch):
167
"""A branch stored in the actual filesystem.
169
Note that it's "local" in the context of the filesystem; it doesn't
170
really matter if it's on an nfs/smb/afs/coda/... share, as long as
171
it's writable, and can be accessed via the normal filesystem API.
154
174
None, or 'r' or 'w'
161
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.
164
187
_lock_mode = None
165
188
_lock_count = None
190
_inventory_weave = None
168
192
# Map some sort of prefix into a namespace
169
193
# stuff like "revno:10", "revid:", etc.
170
194
# This should match a prefix with a function which accepts
171
195
REVISION_NAMESPACES = {}
173
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):
174
219
"""Create new branch object at a particular location.
176
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)
178
225
init -- If True, create new control files in a previously
179
226
unversioned directory. If False, the branch must already
182
find_root -- If true and init is false, find the root of the
183
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.
185
234
In the test suite, creation of new trees is tested using the
186
235
`ScratchBranch` class.
188
from bzrlib.store import ImmutableStore
237
assert isinstance(transport, Transport), \
238
"%r is not a Transport" % transport
239
self._transport = transport
190
self.base = os.path.realpath(base)
191
241
self._make_control()
193
self.base = find_branch_root(base)
195
self.base = os.path.realpath(base)
196
if not isdir(self.controlfilename('.')):
197
from errors import NotBranchError
198
raise NotBranchError("not a bzr branch: %s" % quotefn(base),
199
['use "bzr init" to initialize a new working tree',
200
'current bzr can only operate from top-of-tree'])
203
self.text_store = ImmutableStore(self.controlfilename('text-store'))
204
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
205
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
208
283
def __str__(self):
209
return '%s(%r)' % (self.__class__.__name__, self.base)
284
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
212
287
__repr__ = __str__
215
290
def __del__(self):
216
291
if self._lock_mode or self._lock:
217
from warnings import warn
292
# XXX: This should show something every time, and be suitable for
293
# headless operation and embedding
218
294
warn("branch %r was not explicitly unlocked" % self)
219
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
222
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
223
349
if self._lock_mode:
224
350
if self._lock_mode != 'w':
225
from errors import LockError
226
351
raise LockError("can't upgrade to a write lock from %r" %
228
353
self._lock_count += 1
230
from bzrlib.lock import WriteLock
232
self._lock = WriteLock(self.controlfilename('branch-lock'))
355
self._lock = self._transport.lock_write(
356
self._rel_controlfilename('branch-lock'))
233
357
self._lock_mode = 'w'
234
358
self._lock_count = 1
359
self._set_transaction(transactions.PassThroughTransaction())
237
361
def lock_read(self):
362
mutter("lock read: %s (%s)", self, self._lock_count)
238
363
if self._lock_mode:
239
364
assert self._lock_mode in ('r', 'w'), \
240
365
"invalid lock mode %r" % self._lock_mode
241
366
self._lock_count += 1
243
from bzrlib.lock import ReadLock
245
self._lock = ReadLock(self.controlfilename('branch-lock'))
368
self._lock = self._transport.lock_read(
369
self._rel_controlfilename('branch-lock'))
246
370
self._lock_mode = 'r'
247
371
self._lock_count = 1
372
self._set_transaction(transactions.ReadOnlyTransaction())
373
# 5K may be excessive, but hey, its a knob.
374
self.get_transaction().set_cache_size(5000)
249
376
def unlock(self):
377
mutter("unlock: %s (%s)", self, self._lock_count)
250
378
if not self._lock_mode:
251
from errors import LockError
252
379
raise LockError('branch %r is not locked' % (self))
254
381
if self._lock_count > 1:
255
382
self._lock_count -= 1
384
self._finish_transaction()
257
385
self._lock.unlock()
258
386
self._lock = None
259
387
self._lock_mode = self._lock_count = None
261
389
def abspath(self, name):
262
390
"""Return absolute filename for something in the branch"""
263
return os.path.join(self.base, name)
391
return self._transport.abspath(name)
265
393
def relpath(self, path):
266
394
"""Return path relative to this branch of something inside it.
268
396
Raises an error if path is not in this branch."""
269
return _relpath(self.base, path)
397
return self._transport.relpath(path)
400
def _rel_controlfilename(self, file_or_path):
401
if isinstance(file_or_path, basestring):
402
file_or_path = [file_or_path]
403
return [bzrlib.BZRDIR] + file_or_path
271
405
def controlfilename(self, file_or_path):
272
406
"""Return location relative to branch."""
273
if isinstance(file_or_path, basestring):
274
file_or_path = [file_or_path]
275
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
407
return self._transport.abspath(self._rel_controlfilename(file_or_path))
278
410
def controlfile(self, file_or_path, mode='r'):
286
418
Controlfiles should almost never be opened in write mode but
287
419
rather should be atomically copied and replaced using atomicfile.
290
fn = self.controlfilename(file_or_path)
292
if mode == 'rb' or mode == 'wb':
293
return file(fn, mode)
294
elif mode == 'r' or mode == 'w':
295
# open in binary mode anyhow so there's no newline translation;
296
# codecs uses line buffering by default; don't want that.
298
return codecs.open(fn, mode + 'b', 'utf-8',
423
relpath = self._rel_controlfilename(file_or_path)
424
#TODO: codecs.open() buffers linewise, so it was overloaded with
425
# a much larger buffer, do we need to do the same for getreader/getwriter?
427
return self._transport.get(relpath)
429
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
431
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
433
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
301
435
raise BzrError("invalid controlfile mode %r" % mode)
437
def put_controlfile(self, path, f, encode=True):
438
"""Write an entry as a controlfile.
440
:param path: The path to put the file, relative to the .bzr control
442
:param f: A file-like or string object whose contents should be copied.
443
:param encode: If true, encode the contents as utf-8
445
self.put_controlfiles([(path, f)], encode=encode)
447
def put_controlfiles(self, files, encode=True):
448
"""Write several entries as controlfiles.
450
:param files: A list of [(path, file)] pairs, where the path is the directory
451
underneath the bzr control directory
452
:param encode: If true, encode the contents as utf-8
456
for path, f in files:
458
if isinstance(f, basestring):
459
f = f.encode('utf-8', 'replace')
461
f = codecs.getwriter('utf-8')(f, errors='replace')
462
path = self._rel_controlfilename(path)
463
ctrl_files.append((path, f))
464
self._transport.put_multi(ctrl_files)
303
466
def _make_control(self):
304
467
from bzrlib.inventory import Inventory
468
from bzrlib.weavefile import write_weave_v5
469
from bzrlib.weave import Weave
306
os.mkdir(self.controlfilename([]))
307
self.controlfile('README', 'w').write(
308
"This is a Bazaar-NG control directory.\n"
309
"Do not change any files in this directory.\n")
310
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
311
for d in ('text-store', 'inventory-store', 'revision-store'):
312
os.mkdir(self.controlfilename(d))
313
for f in ('revision-history', 'merged-patches',
314
'pending-merged-patches', 'branch-name',
317
self.controlfile(f, 'w').write('')
318
mutter('created control directory in ' + self.base)
471
# Create an empty inventory
320
473
# if we want per-tree root ids then this is the place to set
321
474
# them; they're not needed for now and so ommitted for
323
f = self.controlfile('inventory','w')
324
bzrlib.xml.serializer_v4.write_inventory(Inventory(), f)
327
def _check_format(self):
476
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
477
empty_inv = sio.getvalue()
479
bzrlib.weavefile.write_weave_v5(Weave(), sio)
480
empty_weave = sio.getvalue()
482
dirs = [[], 'revision-store', 'weaves']
484
"This is a Bazaar-NG control directory.\n"
485
"Do not change any files in this directory.\n"),
486
('branch-format', BZR_BRANCH_FORMAT_6),
487
('revision-history', ''),
490
('pending-merges', ''),
491
('inventory', empty_inv),
492
('inventory.weave', empty_weave),
493
('ancestry.weave', empty_weave)
495
cfn = self._rel_controlfilename
496
self._transport.mkdir_multi([cfn(d) for d in dirs])
497
self.put_controlfiles(files)
498
mutter('created control directory in ' + self._transport.base)
500
def _check_format(self, relax_version_check):
328
501
"""Check this branch format is supported.
330
The current tool only supports the current unstable format.
503
The format level is stored, as an integer, in
504
self._branch_format for code that needs to check it later.
332
506
In the future, we might need different in-memory Branch
333
507
classes to support downlevel branches. But not yet.
335
# This ignores newlines so that we can open branches created
336
# on Windows from Linux and so on. I think it might be better
337
# to always make all internal files in unix format.
338
fmt = self.controlfile('branch-format', 'r').read()
339
fmt.replace('\r\n', '')
340
if fmt != BZR_BRANCH_FORMAT:
341
raise BzrError('sorry, branch format %r not supported' % fmt,
510
fmt = self.controlfile('branch-format', 'r').read()
512
raise NotBranchError(self.base)
513
mutter("got branch format %r", fmt)
514
if fmt == BZR_BRANCH_FORMAT_6:
515
self._branch_format = 6
516
elif fmt == BZR_BRANCH_FORMAT_5:
517
self._branch_format = 5
518
elif fmt == BZR_BRANCH_FORMAT_4:
519
self._branch_format = 4
521
if (not relax_version_check
522
and self._branch_format not in (5, 6)):
523
raise errors.UnsupportedFormatError(
524
'sorry, branch format %r not supported' % fmt,
342
525
['use a different bzr version',
343
'or remove the .bzr directory and "bzr init" again'])
526
'or remove the .bzr directory'
527
' and "bzr init" again'])
345
529
def get_root_id(self):
346
530
"""Return the id of this branches root"""
640
826
# the revision, (add signatures/remove signatures) and still
641
827
# have all hash pointers stay consistent.
642
828
# But for now, just hash the contents.
643
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
646
def get_inventory(self, inventory_id):
647
"""Get Inventory object by hash.
649
TODO: Perhaps for this and similar methods, take a revision
650
parameter which can be either an integer revno or a
652
from bzrlib.inventory import Inventory
654
f = self.get_inventory_xml_file(inventory_id)
655
return bzrlib.xml.serializer_v4.read_inventory(f)
658
def get_inventory_xml(self, inventory_id):
829
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
831
def get_ancestry(self, revision_id):
832
"""Return a list of revision-ids integrated by a revision.
834
This currently returns a list, but the ordering is not guaranteed:
837
if revision_id is None:
839
w = self.get_inventory_weave()
840
return [None] + map(w.idx_to_name,
841
w.inclusions([w.lookup(revision_id)]))
843
def get_inventory_weave(self):
844
return self.control_weaves.get_weave('inventory',
845
self.get_transaction())
847
def get_inventory(self, revision_id):
848
"""Get Inventory object by hash."""
849
xml = self.get_inventory_xml(revision_id)
850
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
852
def get_inventory_xml(self, revision_id):
659
853
"""Get inventory XML as a file object."""
660
return self.inventory_store[inventory_id]
662
get_inventory_xml_file = get_inventory_xml
665
def get_inventory_sha1(self, inventory_id):
855
assert isinstance(revision_id, basestring), type(revision_id)
856
iw = self.get_inventory_weave()
857
return iw.get_text(iw.lookup(revision_id))
859
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
861
def get_inventory_sha1(self, revision_id):
666
862
"""Return the sha1 hash of the inventory entry
668
return sha_file(self.get_inventory_xml(inventory_id))
864
return self.get_revision(revision_id).inventory_sha1
671
866
def get_revision_inventory(self, revision_id):
672
867
"""Return inventory of a past revision."""
673
# bzr 0.0.6 imposes the constraint that the inventory_id
868
# TODO: Unify this with get_inventory()
869
# bzr 0.0.6 and later imposes the constraint that the inventory_id
674
870
# must be the same as its revision, so this is trivial.
675
871
if revision_id == None:
676
from bzrlib.inventory import Inventory
677
872
return Inventory(self.get_root_id())
679
874
return self.get_inventory(revision_id)
682
876
def revision_history(self):
683
"""Return sequence of revision hashes on to this branch.
685
>>> ScratchBranch().revision_history()
877
"""Return sequence of revision hashes on to this branch."""
690
return [l.rstrip('\r\n') for l in
880
transaction = self.get_transaction()
881
history = transaction.map.find_revision_history()
882
if history is not None:
883
mutter("cache hit for revision-history in %s", self)
885
history = [l.rstrip('\r\n') for l in
691
886
self.controlfile('revision-history', 'r').readlines()]
887
transaction.map.add_revision_history(history)
888
# this call is disabled because revision_history is
889
# not really an object yet, and the transaction is for objects.
890
# transaction.register_clean(history, precious=True)
696
895
def common_ancestor(self, other, self_revno=None, other_revno=None):
897
>>> from bzrlib.commit import commit
699
898
>>> sb = ScratchBranch(files=['foo', 'foo~'])
700
899
>>> sb.common_ancestor(sb) == (None, None)
702
>>> commit.commit(sb, "Committing first revision", verbose=False)
901
>>> commit(sb, "Committing first revision", verbose=False)
703
902
>>> sb.common_ancestor(sb)[0]
705
904
>>> clone = sb.clone()
706
>>> commit.commit(sb, "Committing second revision", verbose=False)
905
>>> commit(sb, "Committing second revision", verbose=False)
707
906
>>> sb.common_ancestor(sb)[0]
709
908
>>> sb.common_ancestor(clone)[0]
711
>>> commit.commit(clone, "Committing divergent second revision",
910
>>> commit(clone, "Committing divergent second revision",
712
911
... verbose=False)
713
912
>>> sb.common_ancestor(clone)[0]
796
999
if stop_revision is None:
797
1000
stop_revision = other_len
798
elif stop_revision > other_len:
799
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
1002
assert isinstance(stop_revision, int)
1003
if stop_revision > other_len:
1004
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
801
1005
return other_history[self_len:stop_revision]
804
1007
def update_revisions(self, other, stop_revision=None):
805
"""Pull in all new revisions from other branch.
1008
"""Pull in new perfect-fit revisions."""
807
1009
from bzrlib.fetch import greedy_fetch
809
pb = bzrlib.ui.ui_factory.progress_bar()
810
pb.update('comparing histories')
812
revision_ids = self.missing_revisions(other, stop_revision)
814
if len(revision_ids) > 0:
815
count = greedy_fetch(self, other, revision_ids[-1], pb)[0]
818
self.append_revision(*revision_ids)
819
## note("Added %d revisions." % count)
822
def install_revisions(self, other, revision_ids, pb):
823
if hasattr(other.revision_store, "prefetch"):
824
other.revision_store.prefetch(revision_ids)
825
if hasattr(other.inventory_store, "prefetch"):
826
inventory_ids = [other.get_revision(r).inventory_id
827
for r in revision_ids]
828
other.inventory_store.prefetch(inventory_ids)
831
pb = bzrlib.ui.ui_factory.progress_bar()
838
for i, rev_id in enumerate(revision_ids):
839
pb.update('fetching revision', i+1, len(revision_ids))
841
rev = other.get_revision(rev_id)
842
except bzrlib.errors.NoSuchRevision:
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, cp_fail = self.text_store.copy_multi(other.text_store,
858
#print "Added %d texts." % count
859
inventory_ids = [ f.inventory_id for f in revisions ]
860
count, cp_fail = self.inventory_store.copy_multi(other.inventory_store,
862
#print "Added %d inventories." % count
863
revision_ids = [ f.revision_id for f in revisions]
865
count, cp_fail = self.revision_store.copy_multi(other.revision_store,
868
assert len(cp_fail) == 0
869
return count, failures
1010
from bzrlib.revision import get_intervening_revisions
1011
if stop_revision is None:
1012
stop_revision = other.last_revision()
1013
if (stop_revision is not None and
1014
stop_revision in self.revision_history()):
1016
greedy_fetch(to_branch=self, from_branch=other,
1017
revision=stop_revision)
1018
pullable_revs = self.missing_revisions(
1019
other, other.revision_id_to_revno(stop_revision))
1021
greedy_fetch(to_branch=self,
1023
revision=pullable_revs[-1])
1024
self.append_revision(*pullable_revs)
872
1027
def commit(self, *args, **kw):
873
from bzrlib.commit import commit
874
commit(self, *args, **kw)
877
def lookup_revision(self, revision):
878
"""Return the revision identifier for a given revision information."""
879
revno, info = self._get_revision_info(revision)
1028
from bzrlib.commit import Commit
1029
Commit().commit(self, *args, **kw)
883
1031
def revision_id_to_revno(self, revision_id):
884
1032
"""Given a revision id, return its revno"""
1033
if revision_id is None:
885
1035
history = self.revision_history()
887
1037
return history.index(revision_id) + 1
888
1038
except ValueError:
889
1039
raise bzrlib.errors.NoSuchRevision(self, revision_id)
892
def get_revision_info(self, revision):
893
"""Return (revno, revision id) for revision identifier.
895
revision can be an integer, in which case it is assumed to be revno (though
896
this will translate negative values into positive ones)
897
revision can also be a string, in which case it is parsed for something like
898
'date:' or 'revid:' etc.
900
revno, rev_id = self._get_revision_info(revision)
902
raise bzrlib.errors.NoSuchRevision(self, revision)
905
1041
def get_rev_id(self, revno, history=None):
906
1042
"""Find the revision id of the specified revno."""
912
1048
raise bzrlib.errors.NoSuchRevision(self, revno)
913
1049
return history[revno - 1]
915
def _get_revision_info(self, revision):
916
"""Return (revno, revision id) for revision specifier.
918
revision can be an integer, in which case it is assumed to be revno
919
(though this will translate negative values into positive ones)
920
revision can also be a string, in which case it is parsed for something
921
like 'date:' or 'revid:' etc.
923
A revid is always returned. If it is None, the specifier referred to
924
the null revision. If the revid does not occur in the revision
925
history, revno will be None.
931
try:# Convert to int if possible
932
revision = int(revision)
935
revs = self.revision_history()
936
if isinstance(revision, int):
938
revno = len(revs) + revision + 1
941
rev_id = self.get_rev_id(revno, revs)
942
elif isinstance(revision, basestring):
943
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
944
if revision.startswith(prefix):
945
result = func(self, revs, revision)
947
revno, rev_id = result
950
rev_id = self.get_rev_id(revno, revs)
953
raise BzrError('No namespace registered for string: %r' %
956
raise TypeError('Unhandled revision type %s' % revision)
960
raise bzrlib.errors.NoSuchRevision(self, revision)
963
def _namespace_revno(self, revs, revision):
964
"""Lookup a revision by revision number"""
965
assert revision.startswith('revno:')
967
return (int(revision[6:]),)
970
REVISION_NAMESPACES['revno:'] = _namespace_revno
972
def _namespace_revid(self, revs, revision):
973
assert revision.startswith('revid:')
974
rev_id = revision[len('revid:'):]
976
return revs.index(rev_id) + 1, rev_id
979
REVISION_NAMESPACES['revid:'] = _namespace_revid
981
def _namespace_last(self, revs, revision):
982
assert revision.startswith('last:')
984
offset = int(revision[5:])
989
raise BzrError('You must supply a positive value for --revision last:XXX')
990
return (len(revs) - offset + 1,)
991
REVISION_NAMESPACES['last:'] = _namespace_last
993
def _namespace_tag(self, revs, revision):
994
assert revision.startswith('tag:')
995
raise BzrError('tag: namespace registered, but not implemented.')
996
REVISION_NAMESPACES['tag:'] = _namespace_tag
998
def _namespace_date(self, revs, revision):
999
assert revision.startswith('date:')
1001
# Spec for date revisions:
1003
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
1004
# it can also start with a '+/-/='. '+' says match the first
1005
# entry after the given date. '-' is match the first entry before the date
1006
# '=' is match the first entry after, but still on the given date.
1008
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
1009
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
1010
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
1011
# May 13th, 2005 at 0:00
1013
# So the proper way of saying 'give me all entries for today' is:
1014
# -r {date:+today}:{date:-tomorrow}
1015
# The default is '=' when not supplied
1018
if val[:1] in ('+', '-', '='):
1019
match_style = val[:1]
1022
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
1023
if val.lower() == 'yesterday':
1024
dt = today - datetime.timedelta(days=1)
1025
elif val.lower() == 'today':
1027
elif val.lower() == 'tomorrow':
1028
dt = today + datetime.timedelta(days=1)
1031
# This should be done outside the function to avoid recompiling it.
1032
_date_re = re.compile(
1033
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1035
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1037
m = _date_re.match(val)
1038
if not m or (not m.group('date') and not m.group('time')):
1039
raise BzrError('Invalid revision date %r' % revision)
1042
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1044
year, month, day = today.year, today.month, today.day
1046
hour = int(m.group('hour'))
1047
minute = int(m.group('minute'))
1048
if m.group('second'):
1049
second = int(m.group('second'))
1053
hour, minute, second = 0,0,0
1055
dt = datetime.datetime(year=year, month=month, day=day,
1056
hour=hour, minute=minute, second=second)
1060
if match_style == '-':
1062
elif match_style == '=':
1063
last = dt + datetime.timedelta(days=1)
1066
for i in range(len(revs)-1, -1, -1):
1067
r = self.get_revision(revs[i])
1068
# TODO: Handle timezone.
1069
dt = datetime.datetime.fromtimestamp(r.timestamp)
1070
if first >= dt and (last is None or dt >= last):
1073
for i in range(len(revs)):
1074
r = self.get_revision(revs[i])
1075
# TODO: Handle timezone.
1076
dt = datetime.datetime.fromtimestamp(r.timestamp)
1077
if first <= dt and (last is None or dt <= last):
1079
REVISION_NAMESPACES['date:'] = _namespace_date
1081
1051
def revision_tree(self, revision_id):
1082
1052
"""Return Tree for a revision on this branch.
1491
1460
return gen_file_id('TREE_ROOT')
1494
def pull_loc(branch):
1495
# TODO: Should perhaps just make attribute be 'base' in
1496
# RemoteBranch and Branch?
1497
if hasattr(branch, "baseurl"):
1498
return branch.baseurl
1503
def copy_branch(branch_from, to_location, revision=None):
1504
"""Copy branch_from into the existing directory to_location.
1507
If not None, only revisions up to this point will be copied.
1508
The head of the new branch will be that revision.
1511
The name of a local directory that exists but is empty.
1513
from bzrlib.merge import merge
1514
from bzrlib.branch import Branch
1516
assert isinstance(branch_from, Branch)
1517
assert isinstance(to_location, basestring)
1519
br_to = Branch(to_location, init=True)
1520
br_to.set_root_id(branch_from.get_root_id())
1521
if revision is None:
1522
revno = branch_from.revno()
1524
revno, rev_id = branch_from.get_revision_info(revision)
1525
br_to.update_revisions(branch_from, stop_revision=revno)
1526
merge((to_location, -1), (to_location, 0), this_dir=to_location,
1527
check_clean=False, ignore_zero=True)
1529
from_location = pull_loc(branch_from)
1530
br_to.set_parent(pull_loc(branch_from))