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- Committer: Robert Collins
- Date: 2005-10-20 04:08:12 UTC
- mfrom: (1185.12.68)
- Revision ID: robertc@robertcollins.net-20051020040812-fecd1bc32aa3478e
Merge from Aaron Bentley.
- files added:
- HACKING
- bzrlib/store
- bzrlib/transport
- bzrlib/util
- bzrlib/util/configobj
- bzrlib/util/configobj/docs
- files removed:
- bzrlib/meta_store.py
- plugins/changeset
- files renamed:
- plugins/ => bzrlib/plugins/
- tools/testweave.py => bzrlib/selftest/test_weave.py
- bzrlib/store.py => bzrlib/store/__init__.py
- effbot/ => bzrlib/util/effbot/
- elementtree/ => bzrlib/util/elementtree/
- urlgrabber/ => bzrlib/util/urlgrabber/
- bzrlib/newinventory.py => contrib/newinventory.py
- files modified:
- .bzrignore
- bzr *
- setup.py *
added
removed
bzrlib/branch.py
17
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18
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import sys
19
19
import os
20
import errno
21
from warnings import warn
22
from cStringIO import StringIO
23
20
24
21
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import bzrlib
26
from bzrlib.inventory import InventoryEntry
27
import bzrlib.inventory as inventory
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28
from bzrlib.trace import mutter, note
23
from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, \
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splitpath, \
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sha_file, appendpath, file_kind
26
from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
27
import bzrlib.errors
29
from bzrlib.osutils import (isdir, quotefn, compact_date, rand_bytes,
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rename, splitpath, sha_file, appendpath,
31
file_kind, abspath)
32
import bzrlib.errors as errors
33
from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
34
NoSuchRevision, HistoryMissing, NotBranchError,
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DivergedBranches, LockError, UnlistableStore,
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UnlistableBranch, NoSuchFile, NotVersionedError)
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
39
31
40
from bzrlib.delta import compare_trees
32
41
from bzrlib.tree import EmptyTree, RevisionTree
33
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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
from bzrlib.testament import Testament
48
import bzrlib.transactions as transactions
49
from bzrlib.transport import Transport, get_transport
50
import bzrlib.xml5
51
import bzrlib.ui
52
53
54
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
55
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
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BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
35
57
## TODO: Maybe include checks for common corruption of newlines, etc?
36
58
37
59
38
60
# TODO: Some operations like log might retrieve the same revisions
39
61
# repeatedly to calculate deltas. We could perhaps have a weakref
40
# cache in memory to make this faster.
41
42
43
def find_branch(f, **args):
44
if f and (f.startswith('http://') or f.startswith('https://')):
45
import remotebranch
46
return remotebranch.RemoteBranch(f, **args)
47
else:
48
return Branch(f, **args)
49
50
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)
57
os.mkdir(cache_path)
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new_store = CachedStore(getattr(br, store_name), cache_path)
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setattr(br, store_name, new_store)
60
61
if isinstance(br, RemoteBranch):
62
cacheify(br, 'inventory_store')
63
cacheify(br, 'text_store')
64
cacheify(br, 'revision_store')
65
return br
66
67
68
def _relpath(base, path):
69
"""Return path relative to base, or raise exception.
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The path may be either an absolute path or a path relative to the
72
current working directory.
73
74
Lifted out of Branch.relpath for ease of testing.
75
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)
80
81
s = []
82
head = rp
83
while len(head) >= len(base):
84
if head == base:
85
break
86
head, tail = os.path.split(head)
87
if tail:
88
s.insert(0, tail)
89
else:
90
from errors import NotBranchError
91
raise NotBranchError("path %r is not within branch %r" % (rp, base))
92
93
return os.sep.join(s)
94
95
96
def find_branch_root(f=None):
97
"""Find the branch root enclosing f, or pwd.
98
99
f may be a filename or a URL.
100
101
It is not necessary that f exists.
102
103
Basically we keep looking up until we find the control directory or
104
run into the root."""
105
if f == None:
106
f = os.getcwd()
107
elif hasattr(os.path, 'realpath'):
108
f = os.path.realpath(f)
109
else:
110
f = os.path.abspath(f)
111
if not os.path.exists(f):
112
raise BzrError('%r does not exist' % f)
113
114
115
orig_f = f
116
117
while True:
118
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
119
return f
120
head, tail = os.path.split(f)
121
if head == f:
122
# reached the root, whatever that may be
123
raise BzrError('%r is not in a branch' % orig_f)
124
f = head
125
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.")
131
62
# cache in memory to make this faster. In general anything can be
63
# cached in memory between lock and unlock operations.
64
65
def find_branch(*ignored, **ignored_too):
66
# XXX: leave this here for about one release, then remove it
67
raise NotImplementedError('find_branch() is not supported anymore, '
68
'please use one of the new branch constructors')
69
70
71
def needs_read_lock(unbound):
72
"""Decorate unbound to take out and release a read lock."""
73
def decorated(self, *args, **kwargs):
74
self.lock_read()
75
try:
76
return unbound(self, *args, **kwargs)
77
finally:
78
self.unlock()
79
return decorated
80
81
82
def needs_write_lock(unbound):
83
"""Decorate unbound to take out and release a write lock."""
84
def decorated(self, *args, **kwargs):
85
self.lock_write()
86
try:
87
return unbound(self, *args, **kwargs)
88
finally:
89
self.unlock()
90
return decorated
132
91
133
92
######################################################################
134
93
# branch objects
137
96
"""Branch holding a history of revisions.
138
97
139
98
base
140
Base directory of the branch.
99
Base directory/url of the branch.
100
"""
101
base = None
102
103
def __init__(self, *ignored, **ignored_too):
104
raise NotImplementedError('The Branch class is abstract')
105
106
@staticmethod
107
def open_downlevel(base):
108
"""Open a branch which may be of an old format.
109
110
Only local branches are supported."""
111
return _Branch(get_transport(base), relax_version_check=True)
112
113
@staticmethod
114
def open(base):
115
"""Open an existing branch, rooted at 'base' (url)"""
116
t = get_transport(base)
117
mutter("trying to open %r with transport %r", base, t)
118
return _Branch(t)
119
120
@staticmethod
121
def open_containing(url):
122
"""Open an existing branch which contains url.
123
124
This probes for a branch at url, and searches upwards from there.
125
126
Basically we keep looking up until we find the control directory or
127
run into the root. If there isn't one, raises NotBranchError.
128
If there is one, it is returned, along with the unused portion of url.
129
"""
130
t = get_transport(url)
131
while True:
132
try:
133
return _Branch(t), t.relpath(url)
134
except NotBranchError:
135
pass
136
new_t = t.clone('..')
137
if new_t.base == t.base:
138
# reached the root, whatever that may be
139
raise NotBranchError(path=url)
140
t = new_t
141
142
@staticmethod
143
def initialize(base):
144
"""Create a new branch, rooted at 'base' (url)"""
145
t = get_transport(base)
146
return _Branch(t, init=True)
147
148
def setup_caching(self, cache_root):
149
"""Subclasses that care about caching should override this, and set
150
up cached stores located under cache_root.
151
"""
152
self.cache_root = cache_root
153
154
155
class _Branch(Branch):
156
"""A branch stored in the actual filesystem.
157
158
Note that it's "local" in the context of the filesystem; it doesn't
159
really matter if it's on an nfs/smb/afs/coda/... share, as long as
160
it's writable, and can be accessed via the normal filesystem API.
141
161
142
162
_lock_mode
143
163
None, or 'r' or 'w'
149
169
_lock
150
170
Lock object from bzrlib.lock.
151
171
"""
152
base = None
172
# We actually expect this class to be somewhat short-lived; part of its
173
# purpose is to try to isolate what bits of the branch logic are tied to
174
# filesystem access, so that in a later step, we can extricate them to
175
# a separarte ("storage") class.
153
176
_lock_mode = None
154
177
_lock_count = None
155
178
_lock = None
179
_inventory_weave = None
156
180
157
181
# Map some sort of prefix into a namespace
158
182
# stuff like "revno:10", "revid:", etc.
159
183
# This should match a prefix with a function which accepts
160
184
REVISION_NAMESPACES = {}
161
185
162
def __init__(self, base, init=False, find_root=True):
186
def push_stores(self, branch_to):
187
"""Copy the content of this branches store to branch_to."""
188
if (self._branch_format != branch_to._branch_format
189
or self._branch_format != 4):
190
from bzrlib.fetch import greedy_fetch
191
mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
192
self, self._branch_format, branch_to, branch_to._branch_format)
193
greedy_fetch(to_branch=branch_to, from_branch=self,
194
revision=self.last_revision())
195
return
196
197
store_pairs = ((self.text_store, branch_to.text_store),
198
(self.inventory_store, branch_to.inventory_store),
199
(self.revision_store, branch_to.revision_store))
200
try:
201
for from_store, to_store in store_pairs:
202
copy_all(from_store, to_store)
203
except UnlistableStore:
204
raise UnlistableBranch(from_store)
205
206
def __init__(self, transport, init=False,
207
relax_version_check=False):
163
208
"""Create new branch object at a particular location.
164
209
165
base -- Base directory for the branch.
210
transport -- A Transport object, defining how to access files.
211
(If a string, transport.transport() will be used to
212
create a Transport object)
166
213
167
214
init -- If True, create new control files in a previously
168
215
unversioned directory. If False, the branch must already
169
216
be versioned.
170
217
171
find_root -- If true and init is false, find the root of the
172
existing branch containing base.
218
relax_version_check -- If true, the usual check for the branch
219
version is not applied. This is intended only for
220
upgrade/recovery type use; it's not guaranteed that
221
all operations will work on old format branches.
173
222
174
223
In the test suite, creation of new trees is tested using the
175
224
`ScratchBranch` class.
176
225
"""
177
from bzrlib.store import ImmutableStore
226
assert isinstance(transport, Transport), \
227
"%r is not a Transport" % transport
228
self._transport = transport
178
229
if init:
179
self.base = os.path.realpath(base)
180
230
self._make_control()
181
elif find_root:
182
self.base = find_branch_root(base)
183
else:
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'])
190
self._check_format()
191
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'))
195
231
self._check_format(relax_version_check)
232
233
def get_store(name, compressed=True, prefixed=False):
234
# FIXME: This approach of assuming stores are all entirely compressed
235
# or entirely uncompressed is tidy, but breaks upgrade from
236
# some existing branches where there's a mixture; we probably
237
# still want the option to look for both.
238
relpath = self._rel_controlfilename(name)
239
if compressed:
240
store = CompressedTextStore(self._transport.clone(relpath),
241
prefixed=prefixed)
242
else:
243
store = TextStore(self._transport.clone(relpath),
244
prefixed=prefixed)
245
#if self._transport.should_cache():
246
# cache_path = os.path.join(self.cache_root, name)
247
# os.mkdir(cache_path)
248
# store = bzrlib.store.CachedStore(store, cache_path)
249
return store
250
def get_weave(name, prefixed=False):
251
relpath = self._rel_controlfilename(name)
252
ws = WeaveStore(self._transport.clone(relpath), prefixed=prefixed)
253
if self._transport.should_cache():
254
ws.enable_cache = True
255
return ws
256
257
if self._branch_format == 4:
258
self.inventory_store = get_store('inventory-store')
259
self.text_store = get_store('text-store')
260
self.revision_store = get_store('revision-store')
261
elif self._branch_format == 5:
262
self.control_weaves = get_weave('')
263
self.weave_store = get_weave('weaves')
264
self.revision_store = get_store('revision-store', compressed=False)
265
elif self._branch_format == 6:
266
self.control_weaves = get_weave('')
267
self.weave_store = get_weave('weaves', prefixed=True)
268
self.revision_store = get_store('revision-store', compressed=False,
269
prefixed=True)
270
self.revision_store.register_suffix('sig')
271
self._transaction = None
196
272
197
273
def __str__(self):
198
return '%s(%r)' % (self.__class__.__name__, self.base)
274
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
199
275
200
276
201
277
__repr__ = __str__
203
279
204
280
def __del__(self):
205
281
if self._lock_mode or self._lock:
206
from warnings import warn
282
# XXX: This should show something every time, and be suitable for
283
# headless operation and embedding
207
284
warn("branch %r was not explicitly unlocked" % self)
208
285
self._lock.unlock()
209
286
210
287
# TODO: It might be best to do this somewhere else,
288
# but it is nice for a Branch object to automatically
289
# cache it's information.
290
# Alternatively, we could have the Transport objects cache requests
291
# See the earlier discussion about how major objects (like Branch)
292
# should never expect their __del__ function to run.
293
if hasattr(self, 'cache_root') and self.cache_root is not None:
294
try:
295
import shutil
296
shutil.rmtree(self.cache_root)
297
except:
298
pass
299
self.cache_root = None
300
301
def _get_base(self):
302
if self._transport:
303
return self._transport.base
304
return None
305
306
base = property(_get_base, doc="The URL for the root of this branch.")
307
308
def _finish_transaction(self):
309
"""Exit the current transaction."""
310
if self._transaction is None:
311
raise errors.LockError('Branch %s is not in a transaction' %
312
self)
313
transaction = self._transaction
314
self._transaction = None
315
transaction.finish()
316
317
def get_transaction(self):
318
"""Return the current active transaction.
319
320
If no transaction is active, this returns a passthrough object
321
for which all data is immedaitely flushed and no caching happens.
322
"""
323
if self._transaction is None:
324
return transactions.PassThroughTransaction()
325
else:
326
return self._transaction
327
328
def _set_transaction(self, new_transaction):
329
"""Set a new active transaction."""
330
if self._transaction is not None:
331
raise errors.LockError('Branch %s is in a transaction already.' %
332
self)
333
self._transaction = new_transaction
211
334
212
335
def lock_write(self):
336
mutter("lock write: %s (%s)", self, self._lock_count)
337
# TODO: Upgrade locking to support using a Transport,
338
# and potentially a remote locking protocol
213
339
if self._lock_mode:
214
340
if self._lock_mode != 'w':
215
from errors import LockError
216
341
raise LockError("can't upgrade to a write lock from %r" %
217
342
self._lock_mode)
218
343
self._lock_count += 1
219
344
else:
220
from bzrlib.lock import WriteLock
221
222
self._lock = WriteLock(self.controlfilename('branch-lock'))
345
self._lock = self._transport.lock_write(
346
self._rel_controlfilename('branch-lock'))
223
347
self._lock_mode = 'w'
224
348
self._lock_count = 1
225
226
349
self._set_transaction(transactions.PassThroughTransaction())
227
350
228
351
def lock_read(self):
352
mutter("lock read: %s (%s)", self, self._lock_count)
229
353
if self._lock_mode:
230
354
assert self._lock_mode in ('r', 'w'), \
231
355
"invalid lock mode %r" % self._lock_mode
232
356
self._lock_count += 1
233
357
else:
234
from bzrlib.lock import ReadLock
235
236
self._lock = ReadLock(self.controlfilename('branch-lock'))
358
self._lock = self._transport.lock_read(
359
self._rel_controlfilename('branch-lock'))
237
360
self._lock_mode = 'r'
238
361
self._lock_count = 1
362
self._set_transaction(transactions.ReadOnlyTransaction())
363
# 5K may be excessive, but hey, its a knob.
364
self.get_transaction().set_cache_size(5000)
239
365
240
241
242
366
def unlock(self):
367
mutter("unlock: %s (%s)", self, self._lock_count)
243
368
if not self._lock_mode:
244
from errors import LockError
245
369
raise LockError('branch %r is not locked' % (self))
246
370
247
371
if self._lock_count > 1:
248
372
self._lock_count -= 1
249
373
else:
374
self._finish_transaction()
250
375
self._lock.unlock()
251
376
self._lock = None
252
377
self._lock_mode = self._lock_count = None
253
378
254
255
379
def abspath(self, name):
256
"""Return absolute filename for something in the branch"""
257
return os.path.join(self.base, name)
258
259
260
def relpath(self, path):
261
"""Return path relative to this branch of something inside it.
262
263
Raises an error if path is not in this branch."""
264
return _relpath(self.base, path)
265
380
"""Return absolute filename for something in the branch
381
382
XXX: Robert Collins 20051017 what is this used for? why is it a branch
383
method and not a tree method.
384
"""
385
return self._transport.abspath(name)
386
387
def _rel_controlfilename(self, file_or_path):
388
if not isinstance(file_or_path, basestring):
389
file_or_path = '/'.join(file_or_path)
390
if file_or_path == '':
391
return bzrlib.BZRDIR
392
return bzrlib.transport.urlescape(bzrlib.BZRDIR + '/' + file_or_path)
266
393
267
394
def controlfilename(self, file_or_path):
268
395
"""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)
396
return self._transport.abspath(self._rel_controlfilename(file_or_path))
272
397
273
398
274
399
def controlfile(self, file_or_path, mode='r'):
282
407
Controlfiles should almost never be opened in write mode but
283
408
rather should be atomically copied and replaced using atomicfile.
284
409
"""
285
286
fn = self.controlfilename(file_or_path)
287
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.
293
import codecs
294
return codecs.open(fn, mode + 'b', 'utf-8',
295
buffering=60000)
410
import codecs
411
412
relpath = self._rel_controlfilename(file_or_path)
413
#TODO: codecs.open() buffers linewise, so it was overloaded with
414
# a much larger buffer, do we need to do the same for getreader/getwriter?
415
if mode == 'rb':
416
return self._transport.get(relpath)
417
elif mode == 'wb':
418
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
419
elif mode == 'r':
420
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
421
elif mode == 'w':
422
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
296
423
else:
297
424
raise BzrError("invalid controlfile mode %r" % mode)
298
425
299
426
def put_controlfile(self, path, f, encode=True):
427
"""Write an entry as a controlfile.
428
429
:param path: The path to put the file, relative to the .bzr control
430
directory
431
:param f: A file-like or string object whose contents should be copied.
432
:param encode: If true, encode the contents as utf-8
433
"""
434
self.put_controlfiles([(path, f)], encode=encode)
435
436
def put_controlfiles(self, files, encode=True):
437
"""Write several entries as controlfiles.
438
439
:param files: A list of [(path, file)] pairs, where the path is the directory
440
underneath the bzr control directory
441
:param encode: If true, encode the contents as utf-8
442
"""
443
import codecs
444
ctrl_files = []
445
for path, f in files:
446
if encode:
447
if isinstance(f, basestring):
448
f = f.encode('utf-8', 'replace')
449
else:
450
f = codecs.getwriter('utf-8')(f, errors='replace')
451
path = self._rel_controlfilename(path)
452
ctrl_files.append((path, f))
453
self._transport.put_multi(ctrl_files)
300
454
301
455
def _make_control(self):
302
456
from bzrlib.inventory import Inventory
303
from bzrlib.xml import pack_xml
457
from bzrlib.weavefile import write_weave_v5
458
from bzrlib.weave import Weave
304
459
305
os.mkdir(self.controlfilename([]))
306
self.controlfile('README', 'w').write(
460
# Create an empty inventory
461
sio = StringIO()
462
# if we want per-tree root ids then this is the place to set
463
# them; they're not needed for now and so ommitted for
464
# simplicity.
465
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
466
empty_inv = sio.getvalue()
467
sio = StringIO()
468
bzrlib.weavefile.write_weave_v5(Weave(), sio)
469
empty_weave = sio.getvalue()
470
471
dirs = [[], 'revision-store', 'weaves']
472
files = [('README',
307
473
"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',
314
'branch-lock',
315
'pending-merges'):
316
self.controlfile(f, 'w').write('')
317
mutter('created control directory in ' + self.base)
318
319
pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
320
321
322
def _check_format(self):
474
"Do not change any files in this directory.\n"),
475
('branch-format', BZR_BRANCH_FORMAT_6),
476
('revision-history', ''),
477
('branch-name', ''),
478
('branch-lock', ''),
479
('pending-merges', ''),
480
('inventory', empty_inv),
481
('inventory.weave', empty_weave),
482
('ancestry.weave', empty_weave)
483
]
484
cfn = self._rel_controlfilename
485
self._transport.mkdir_multi([cfn(d) for d in dirs])
486
self.put_controlfiles(files)
487
mutter('created control directory in ' + self._transport.base)
488
489
def _check_format(self, relax_version_check):
323
490
"""Check this branch format is supported.
324
491
325
The current tool only supports the current unstable format.
492
The format level is stored, as an integer, in
493
self._branch_format for code that needs to check it later.
326
494
327
495
In the future, we might need different in-memory Branch
328
496
classes to support downlevel branches. But not yet.
329
497
"""
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,
498
try:
499
fmt = self.controlfile('branch-format', 'r').read()
500
except NoSuchFile:
501
raise NotBranchError(path=self.base)
502
mutter("got branch format %r", fmt)
503
if fmt == BZR_BRANCH_FORMAT_6:
504
self._branch_format = 6
505
elif fmt == BZR_BRANCH_FORMAT_5:
506
self._branch_format = 5
507
elif fmt == BZR_BRANCH_FORMAT_4:
508
self._branch_format = 4
509
510
if (not relax_version_check
511
and self._branch_format not in (5, 6)):
512
raise errors.UnsupportedFormatError(
513
'sorry, branch format %r not supported' % fmt,
337
514
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
515
'or remove the .bzr directory'
516
' and "bzr init" again'])
339
517
340
518
def get_root_id(self):
341
519
"""Return the id of this branches root"""
354
532
entry.parent_id = inv.root.file_id
355
533
self._write_inventory(inv)
356
534
535
@needs_read_lock
357
536
def read_working_inventory(self):
358
537
"""Read the working inventory."""
359
from bzrlib.inventory import Inventory
360
from bzrlib.xml import unpack_xml
361
from time import time
362
before = time()
363
self.lock_read()
364
try:
365
# ElementTree does its own conversion from UTF-8, so open in
366
# binary.
367
inv = unpack_xml(Inventory,
368
self.controlfile('inventory', 'rb'))
369
mutter("loaded inventory of %d items in %f"
370
% (len(inv), time() - before))
371
return inv
372
finally:
373
self.unlock()
374
538
# ElementTree does its own conversion from UTF-8, so open in
539
# binary.
540
f = self.controlfile('inventory', 'rb')
541
return bzrlib.xml5.serializer_v5.read_inventory(f)
375
542
543
@needs_write_lock
376
544
def _write_inventory(self, inv):
377
545
"""Update the working inventory.
378
546
379
547
That is to say, the inventory describing changes underway, that
380
548
will be committed to the next revision.
381
549
"""
382
from bzrlib.atomicfile import AtomicFile
383
from bzrlib.xml import pack_xml
384
385
self.lock_write()
386
try:
387
f = AtomicFile(self.controlfilename('inventory'), 'wb')
388
try:
389
pack_xml(inv, f)
390
f.commit()
391
finally:
392
f.close()
393
finally:
394
self.unlock()
550
from cStringIO import StringIO
551
sio = StringIO()
552
bzrlib.xml5.serializer_v5.write_inventory(inv, sio)
553
sio.seek(0)
554
# Transport handles atomicity
555
self.put_controlfile('inventory', sio)
395
556
396
557
mutter('wrote working inventory')
397
558
398
399
559
inventory = property(read_working_inventory, _write_inventory, None,
400
560
"""Inventory for the working copy.""")
401
561
402
403
def add(self, files, verbose=False, ids=None):
562
@needs_write_lock
563
def add(self, files, ids=None):
404
564
"""Make files versioned.
405
565
406
Note that the command line normally calls smart_add instead.
566
Note that the command line normally calls smart_add instead,
567
which can automatically recurse.
407
568
408
569
This puts the files in the Added state, so that they will be
409
570
recorded by the next commit.
419
580
TODO: Perhaps have an option to add the ids even if the files do
420
581
not (yet) exist.
421
582
422
TODO: Perhaps return the ids of the files? But then again it
423
is easy to retrieve them if they're needed.
424
425
TODO: Adding a directory should optionally recurse down and
426
add all non-ignored children. Perhaps do that in a
427
higher-level method.
583
TODO: Perhaps yield the ids and paths as they're added.
428
584
"""
429
585
# TODO: Re-adding a file that is removed in the working copy
430
586
# should probably put it back with the previous ID.
439
595
else:
440
596
assert(len(ids) == len(files))
441
597
442
self.lock_write()
443
try:
444
inv = self.read_working_inventory()
445
for f,file_id in zip(files, ids):
446
if is_control_file(f):
447
raise BzrError("cannot add control file %s" % quotefn(f))
448
449
fp = splitpath(f)
450
451
if len(fp) == 0:
452
raise BzrError("cannot add top-level %r" % f)
453
454
fullpath = os.path.normpath(self.abspath(f))
455
456
try:
457
kind = file_kind(fullpath)
458
except OSError:
459
# maybe something better?
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
461
462
if kind != 'file' and kind != 'directory':
463
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
464
465
if file_id is None:
466
file_id = gen_file_id(f)
467
inv.add_path(f, kind=kind, file_id=file_id)
468
469
if verbose:
470
print 'added', quotefn(f)
471
472
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
473
474
self._write_inventory(inv)
475
finally:
476
self.unlock()
477
478
598
inv = self.read_working_inventory()
599
for f,file_id in zip(files, ids):
600
if is_control_file(f):
601
raise BzrError("cannot add control file %s" % quotefn(f))
602
603
fp = splitpath(f)
604
605
if len(fp) == 0:
606
raise BzrError("cannot add top-level %r" % f)
607
608
fullpath = os.path.normpath(self.abspath(f))
609
610
try:
611
kind = file_kind(fullpath)
612
except OSError:
613
# maybe something better?
614
raise BzrError('cannot add: not a regular file, symlink or directory: %s' % quotefn(f))
615
616
if not InventoryEntry.versionable_kind(kind):
617
raise BzrError('cannot add: not a versionable file ('
618
'i.e. regular file, symlink or directory): %s' % quotefn(f))
619
620
if file_id is None:
621
file_id = gen_file_id(f)
622
inv.add_path(f, kind=kind, file_id=file_id)
623
624
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
625
626
self._write_inventory(inv)
627
628
@needs_read_lock
479
629
def print_file(self, file, revno):
480
630
"""Print `file` to stdout."""
481
self.lock_read()
482
try:
483
tree = self.revision_tree(self.lookup_revision(revno))
484
# use inventory as it was in that revision
485
file_id = tree.inventory.path2id(file)
486
if not file_id:
487
raise BzrError("%r is not present in revision %s" % (file, revno))
488
tree.print_file(file_id)
489
finally:
490
self.unlock()
491
492
493
def remove(self, files, verbose=False):
494
"""Mark nominated files for removal from the inventory.
495
496
This does not remove their text. This does not run on
497
498
TODO: Refuse to remove modified files unless --force is given?
499
500
TODO: Do something useful with directories.
501
502
TODO: Should this remove the text or not? Tough call; not
503
removing may be useful and the user can just use use rm, and
504
is the opposite of add. Removing it is consistent with most
505
other tools. Maybe an option.
506
"""
507
## TODO: Normalize names
508
## TODO: Remove nested loops; better scalability
509
if isinstance(files, basestring):
510
files = [files]
511
512
self.lock_write()
513
514
try:
515
tree = self.working_tree()
516
inv = tree.inventory
517
518
# do this before any modifications
519
for f in files:
520
fid = inv.path2id(f)
521
if not fid:
522
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
523
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
524
if verbose:
525
# having remove it, it must be either ignored or unknown
526
if tree.is_ignored(f):
527
new_status = 'I'
528
else:
529
new_status = '?'
530
show_status(new_status, inv[fid].kind, quotefn(f))
531
del inv[fid]
532
533
self._write_inventory(inv)
534
finally:
535
self.unlock()
536
631
tree = self.revision_tree(self.get_rev_id(revno))
632
# use inventory as it was in that revision
633
file_id = tree.inventory.path2id(file)
634
if not file_id:
635
raise BzrError("%r is not present in revision %s" % (file, revno))
636
tree.print_file(file_id)
537
637
538
638
# FIXME: this doesn't need to be a branch method
539
639
def set_inventory(self, new_inventory_list):
543
643
name = os.path.basename(path)
544
644
if name == "":
545
645
continue
546
inv.add(InventoryEntry(file_id, name, kind, parent))
646
# fixme, there should be a factory function inv,add_??
647
if kind == 'directory':
648
inv.add(inventory.InventoryDirectory(file_id, name, parent))
649
elif kind == 'file':
650
inv.add(inventory.InventoryFile(file_id, name, parent))
651
elif kind == 'symlink':
652
inv.add(inventory.InventoryLink(file_id, name, parent))
653
else:
654
raise BzrError("unknown kind %r" % kind)
547
655
self._write_inventory(inv)
548
656
549
550
657
def unknowns(self):
551
658
"""Return all unknown files.
552
659
553
660
These are files in the working directory that are not versioned or
554
661
control files or ignored.
555
662
663
>>> from bzrlib.workingtree import WorkingTree
556
664
>>> b = ScratchBranch(files=['foo', 'foo~'])
557
>>> list(b.unknowns())
665
>>> map(str, b.unknowns())
558
666
['foo']
559
667
>>> b.add('foo')
560
668
>>> list(b.unknowns())
561
669
[]
562
>>> b.remove('foo')
670
>>> WorkingTree(b.base, b).remove('foo')
563
671
>>> list(b.unknowns())
564
['foo']
672
[u'foo']
565
673
"""
566
674
return self.working_tree().unknowns()
567
675
568
676
@needs_write_lock
569
677
def append_revision(self, *revision_ids):
570
from bzrlib.atomicfile import AtomicFile
571
572
678
for revision_id in revision_ids:
573
679
mutter("add {%s} to revision-history" % revision_id)
574
575
680
rev_history = self.revision_history()
576
681
rev_history.extend(revision_ids)
577
578
f = AtomicFile(self.controlfilename('revision-history'))
579
try:
580
for rev_id in rev_history:
581
print >>f, rev_id
582
f.commit()
583
finally:
584
f.close()
585
586
587
def get_revision_xml(self, revision_id):
682
self.set_revision_history(rev_history)
683
684
@needs_write_lock
685
def set_revision_history(self, rev_history):
686
self.put_controlfile('revision-history', '\n'.join(rev_history))
687
688
def has_revision(self, revision_id):
689
"""True if this branch has a copy of the revision.
690
691
This does not necessarily imply the revision is merge
692
or on the mainline."""
693
return (revision_id is None
694
or self.revision_store.has_id(revision_id))
695
696
@needs_read_lock
697
def get_revision_xml_file(self, revision_id):
588
698
"""Return XML file object for revision object."""
589
699
if not revision_id or not isinstance(revision_id, basestring):
590
700
raise InvalidRevisionId(revision_id)
591
592
self.lock_read()
593
701
try:
594
try:
595
return self.revision_store[revision_id]
596
except IndexError:
597
raise bzrlib.errors.NoSuchRevision(revision_id)
598
finally:
599
self.unlock()
702
return self.revision_store.get(revision_id)
703
except (IndexError, KeyError):
704
raise bzrlib.errors.NoSuchRevision(self, revision_id)
705
706
#deprecated
707
get_revision_xml = get_revision_xml_file
708
709
def get_revision_xml(self, revision_id):
710
return self.get_revision_xml_file(revision_id).read()
600
711
601
712
602
713
def get_revision(self, revision_id):
603
714
"""Return the Revision object for a named revision"""
604
xml_file = self.get_revision_xml(revision_id)
715
xml_file = self.get_revision_xml_file(revision_id)
605
716
606
717
try:
607
r = unpack_xml(Revision, xml_file)
718
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
608
719
except SyntaxError, e:
609
720
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
610
721
[revision_id,
613
724
assert r.revision_id == revision_id
614
725
return r
615
726
616
617
727
def get_revision_delta(self, revno):
618
728
"""Return the delta for one revision.
619
729
635
745
636
746
return compare_trees(old_tree, new_tree)
637
747
638
639
640
748
def get_revision_sha1(self, revision_id):
641
749
"""Hash the stored value of a revision, and return it."""
642
750
# In the future, revision entries will be signed. At that
645
753
# the revision, (add signatures/remove signatures) and still
646
754
# have all hash pointers stay consistent.
647
755
# But for now, just hash the contents.
648
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
649
650
651
def get_inventory(self, inventory_id):
652
"""Get Inventory object by hash.
653
654
TODO: Perhaps for this and similar methods, take a revision
655
parameter which can be either an integer revno or a
656
string hash."""
657
from bzrlib.inventory import Inventory
658
from bzrlib.xml import unpack_xml
659
660
return unpack_xml(Inventory, self.inventory_store[inventory_id])
661
662
663
def get_inventory_sha1(self, inventory_id):
756
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
757
758
def get_ancestry(self, revision_id):
759
"""Return a list of revision-ids integrated by a revision.
760
761
This currently returns a list, but the ordering is not guaranteed:
762
treat it as a set.
763
"""
764
if revision_id is None:
765
return [None]
766
w = self.get_inventory_weave()
767
return [None] + map(w.idx_to_name,
768
w.inclusions([w.lookup(revision_id)]))
769
770
def get_inventory_weave(self):
771
return self.control_weaves.get_weave('inventory',
772
self.get_transaction())
773
774
def get_inventory(self, revision_id):
775
"""Get Inventory object by hash."""
776
xml = self.get_inventory_xml(revision_id)
777
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
778
779
def get_inventory_xml(self, revision_id):
780
"""Get inventory XML as a file object."""
781
try:
782
assert isinstance(revision_id, basestring), type(revision_id)
783
iw = self.get_inventory_weave()
784
return iw.get_text(iw.lookup(revision_id))
785
except IndexError:
786
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
787
788
def get_inventory_sha1(self, revision_id):
664
789
"""Return the sha1 hash of the inventory entry
665
790
"""
666
return sha_file(self.inventory_store[inventory_id])
667
791
return self.get_revision(revision_id).inventory_sha1
668
792
669
793
def get_revision_inventory(self, revision_id):
670
794
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
795
# TODO: Unify this with get_inventory()
796
# bzr 0.0.6 and later imposes the constraint that the inventory_id
672
797
# must be the same as its revision, so this is trivial.
673
798
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
799
return Inventory(self.get_root_id())
676
800
else:
677
801
return self.get_inventory(revision_id)
678
802
679
803
@needs_read_lock
680
804
def revision_history(self):
681
"""Return sequence of revision hashes on to this branch.
682
683
>>> ScratchBranch().revision_history()
684
[]
685
"""
686
self.lock_read()
687
try:
688
return [l.rstrip('\r\n') for l in
689
self.controlfile('revision-history', 'r').readlines()]
690
finally:
691
self.unlock()
692
693
694
def common_ancestor(self, other, self_revno=None, other_revno=None):
695
"""
696
>>> import commit
697
>>> sb = ScratchBranch(files=['foo', 'foo~'])
698
>>> sb.common_ancestor(sb) == (None, None)
699
True
700
>>> commit.commit(sb, "Committing first revision", verbose=False)
701
>>> sb.common_ancestor(sb)[0]
702
1
703
>>> clone = sb.clone()
704
>>> commit.commit(sb, "Committing second revision", verbose=False)
705
>>> sb.common_ancestor(sb)[0]
706
2
707
>>> sb.common_ancestor(clone)[0]
708
1
709
>>> commit.commit(clone, "Committing divergent second revision",
710
... verbose=False)
711
>>> sb.common_ancestor(clone)[0]
712
1
713
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
714
True
715
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
716
True
717
>>> clone2 = sb.clone()
718
>>> sb.common_ancestor(clone2)[0]
719
2
720
>>> sb.common_ancestor(clone2, self_revno=1)[0]
721
1
722
>>> sb.common_ancestor(clone2, other_revno=1)[0]
723
1
724
"""
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)))
732
indices.reverse()
733
for r in indices:
734
if my_history[r] == other_history[r]:
735
return r+1, my_history[r]
736
return None, None
737
805
"""Return sequence of revision hashes on to this branch."""
806
transaction = self.get_transaction()
807
history = transaction.map.find_revision_history()
808
if history is not None:
809
mutter("cache hit for revision-history in %s", self)
810
return list(history)
811
history = [l.rstrip('\r\n') for l in
812
self.controlfile('revision-history', 'r').readlines()]
813
transaction.map.add_revision_history(history)
814
# this call is disabled because revision_history is
815
# not really an object yet, and the transaction is for objects.
816
# transaction.register_clean(history, precious=True)
817
return list(history)
738
818
739
819
def revno(self):
740
820
"""Return current revision number for this branch.
744
824
"""
745
825
return len(self.revision_history())
746
826
747
748
def last_patch(self):
827
def last_revision(self):
749
828
"""Return last patch hash, or None if no history.
750
829
"""
751
830
ph = self.revision_history()
754
833
else:
755
834
return None
756
835
757
758
def missing_revisions(self, other, stop_revision=None):
759
"""
836
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
837
"""Return a list of new revisions that would perfectly fit.
838
760
839
If self and other have not diverged, return a list of the revisions
761
840
present in other, but missing from self.
762
841
793
872
794
873
if stop_revision is None:
795
874
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
798
875
else:
876
assert isinstance(stop_revision, int)
877
if stop_revision > other_len:
878
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
799
879
return other_history[self_len:stop_revision]
800
880
801
802
881
def update_revisions(self, other, stop_revision=None):
803
"""Pull in all new revisions from other branch.
804
805
>>> from bzrlib.commit import commit
806
>>> bzrlib.trace.silent = True
807
>>> br1 = ScratchBranch(files=['foo', 'bar'])
808
>>> br1.add('foo')
809
>>> br1.add('bar')
810
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
811
>>> br2 = ScratchBranch()
812
>>> br2.update_revisions(br1)
813
Added 2 texts.
814
Added 1 inventories.
815
Added 1 revisions.
816
>>> br2.revision_history()
817
[u'REVISION-ID-1']
818
>>> br2.update_revisions(br1)
819
Added 0 texts.
820
Added 0 inventories.
821
Added 0 revisions.
822
>>> br1.text_store.total_size() == br2.text_store.total_size()
823
True
824
"""
825
from bzrlib.progress import ProgressBar
826
827
pb = ProgressBar()
828
829
pb.update('comparing histories')
830
revision_ids = self.missing_revisions(other, stop_revision)
831
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)
838
839
revisions = []
840
needed_texts = set()
841
i = 0
842
for rev_id in revision_ids:
843
i += 1
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:
850
continue
851
if entry.text_id not in self.text_store:
852
needed_texts.add(entry.text_id)
853
854
pb.clear()
855
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,
860
inventory_ids)
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,
864
revision_ids)
865
for revision_id in revision_ids:
866
self.append_revision(revision_id)
867
print "Added %d revisions." % count
868
882
"""Pull in new perfect-fit revisions."""
883
# FIXME: If the branches have diverged, but the latest
884
# revision in this branch is completely merged into the other,
885
# then we should still be able to pull.
886
from bzrlib.fetch import greedy_fetch
887
if stop_revision is None:
888
stop_revision = other.last_revision()
889
### Should this be checking is_ancestor instead of revision_history?
890
if (stop_revision is not None and
891
stop_revision in self.revision_history()):
892
return
893
greedy_fetch(to_branch=self, from_branch=other,
894
revision=stop_revision)
895
pullable_revs = self.pullable_revisions(other, stop_revision)
896
if len(pullable_revs) > 0:
897
self.append_revision(*pullable_revs)
898
899
def pullable_revisions(self, other, stop_revision):
900
other_revno = other.revision_id_to_revno(stop_revision)
901
try:
902
return self.missing_revisions(other, other_revno)
903
except DivergedBranches, e:
904
try:
905
pullable_revs = get_intervening_revisions(self.last_revision(),
906
stop_revision, self)
907
assert self.last_revision() not in pullable_revs
908
return pullable_revs
909
except bzrlib.errors.NotAncestor:
910
if is_ancestor(self.last_revision(), stop_revision, self):
911
return []
912
else:
913
raise e
869
914
870
915
def commit(self, *args, **kw):
871
from bzrlib.commit import commit
872
commit(self, *args, **kw)
873
874
875
def lookup_revision(self, revision):
876
"""Return the revision identifier for a given revision information."""
877
revno, info = self.get_revision_info(revision)
878
return info
879
880
def get_revision_info(self, revision):
881
"""Return (revno, revision id) for revision identifier.
882
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.
887
"""
888
if revision is None:
889
return 0, None
890
revno = None
891
try:# Convert to int if possible
892
revision = int(revision)
893
except ValueError:
894
pass
895
revs = self.revision_history()
896
if isinstance(revision, int):
897
if revision == 0:
898
return 0, None
899
# Mabye we should do this first, but we don't need it if revision == 0
900
if revision < 0:
901
revno = len(revs) + revision + 1
902
else:
903
revno = revision
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)
908
break
909
else:
910
raise BzrError('No namespace registered for string: %r' % revision)
911
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]
915
916
def _namespace_revno(self, revs, revision):
917
"""Lookup a revision by revision number"""
918
assert revision.startswith('revno:')
919
try:
920
return int(revision[6:])
921
except ValueError:
922
return None
923
REVISION_NAMESPACES['revno:'] = _namespace_revno
924
925
def _namespace_revid(self, revs, revision):
926
assert revision.startswith('revid:')
927
try:
928
return revs.index(revision[6:]) + 1
929
except ValueError:
930
return None
931
REVISION_NAMESPACES['revid:'] = _namespace_revid
932
933
def _namespace_last(self, revs, revision):
934
assert revision.startswith('last:')
935
try:
936
offset = int(revision[5:])
937
except ValueError:
938
return None
939
else:
940
if offset <= 0:
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
944
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
949
950
def _namespace_date(self, revs, revision):
951
assert revision.startswith('date:')
952
import datetime
953
# Spec for date revisions:
954
# date:value
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.
959
#
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
964
#
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
968
val = revision[5:]
969
match_style = '='
970
if val[:1] in ('+', '-', '='):
971
match_style = val[:1]
972
val = val[1:]
973
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':
978
dt = today
979
elif val.lower() == 'tomorrow':
980
dt = today + datetime.timedelta(days=1)
981
else:
982
import re
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))?'
986
r'(,|T)?\s*'
987
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
988
)
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)
992
993
if m.group('date'):
994
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
995
else:
996
year, month, day = today.year, today.month, today.day
997
if m.group('time'):
998
hour = int(m.group('hour'))
999
minute = int(m.group('minute'))
1000
if m.group('second'):
1001
second = int(m.group('second'))
1002
else:
1003
second = 0
1004
else:
1005
hour, minute, second = 0,0,0
1006
1007
dt = datetime.datetime(year=year, month=month, day=day,
1008
hour=hour, minute=minute, second=second)
1009
first = dt
1010
last = None
1011
reversed = False
1012
if match_style == '-':
1013
reversed = True
1014
elif match_style == '=':
1015
last = dt + datetime.timedelta(days=1)
1016
1017
if reversed:
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):
1023
return i+1
1024
else:
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):
1030
return i+1
1031
REVISION_NAMESPACES['date:'] = _namespace_date
916
from bzrlib.commit import Commit
917
Commit().commit(self, *args, **kw)
918
919
def revision_id_to_revno(self, revision_id):
920
"""Given a revision id, return its revno"""
921
if revision_id is None:
922
return 0
923
history = self.revision_history()
924
try:
925
return history.index(revision_id) + 1
926
except ValueError:
927
raise bzrlib.errors.NoSuchRevision(self, revision_id)
928
929
def get_rev_id(self, revno, history=None):
930
"""Find the revision id of the specified revno."""
931
if revno == 0:
932
return None
933
if history is None:
934
history = self.revision_history()
935
elif revno <= 0 or revno > len(history):
936
raise bzrlib.errors.NoSuchRevision(self, revno)
937
return history[revno - 1]
1032
938
1033
939
def revision_tree(self, revision_id):
1034
940
"""Return Tree for a revision on this branch.
1041
947
return EmptyTree()
1042
948
else:
1043
949
inv = self.get_revision_inventory(revision_id)
1044
return RevisionTree(self.text_store, inv)
1045
950
return RevisionTree(self.weave_store, inv, revision_id)
1046
951
1047
952
def working_tree(self):
1048
953
"""Return a `Tree` for the working copy."""
1049
from workingtree import WorkingTree
1050
return WorkingTree(self.base, self.read_working_inventory())
954
from bzrlib.workingtree import WorkingTree
955
# TODO: In the future, perhaps WorkingTree should utilize Transport
956
# RobertCollins 20051003 - I don't think it should - working trees are
957
# much more complex to keep consistent than our careful .bzr subset.
958
# instead, we should say that working trees are local only, and optimise
959
# for that.
960
return WorkingTree(self.base, branch=self)
1051
961
1052
962
1053
963
def basis_tree(self):
1055
965
1056
966
If there are no revisions yet, return an `EmptyTree`.
1057
967
"""
1058
r = self.last_patch()
1059
if r == None:
1060
return EmptyTree()
1061
else:
1062
return RevisionTree(self.text_store, self.get_revision_inventory(r))
1063
1064
1065
968
return self.revision_tree(self.last_revision())
969
970
@needs_write_lock
1066
971
def rename_one(self, from_rel, to_rel):
1067
972
"""Rename one file.
1068
973
1069
974
This can change the directory or the filename or both.
1070
975
"""
1071
self.lock_write()
976
tree = self.working_tree()
977
inv = tree.inventory
978
if not tree.has_filename(from_rel):
979
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
980
if tree.has_filename(to_rel):
981
raise BzrError("can't rename: new working file %r already exists" % to_rel)
982
983
file_id = inv.path2id(from_rel)
984
if file_id == None:
985
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
986
987
if inv.path2id(to_rel):
988
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
989
990
to_dir, to_tail = os.path.split(to_rel)
991
to_dir_id = inv.path2id(to_dir)
992
if to_dir_id == None and to_dir != '':
993
raise BzrError("can't determine destination directory id for %r" % to_dir)
994
995
mutter("rename_one:")
996
mutter(" file_id {%s}" % file_id)
997
mutter(" from_rel %r" % from_rel)
998
mutter(" to_rel %r" % to_rel)
999
mutter(" to_dir %r" % to_dir)
1000
mutter(" to_dir_id {%s}" % to_dir_id)
1001
1002
inv.rename(file_id, to_dir_id, to_tail)
1003
1004
from_abs = self.abspath(from_rel)
1005
to_abs = self.abspath(to_rel)
1072
1006
try:
1073
tree = self.working_tree()
1074
inv = tree.inventory
1075
if not tree.has_filename(from_rel):
1076
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1077
if tree.has_filename(to_rel):
1078
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1079
1080
file_id = inv.path2id(from_rel)
1081
if file_id == None:
1082
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1083
1084
if inv.path2id(to_rel):
1085
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1086
1087
to_dir, to_tail = os.path.split(to_rel)
1088
to_dir_id = inv.path2id(to_dir)
1089
if to_dir_id == None and to_dir != '':
1090
raise BzrError("can't determine destination directory id for %r" % to_dir)
1091
1092
mutter("rename_one:")
1093
mutter(" file_id {%s}" % file_id)
1094
mutter(" from_rel %r" % from_rel)
1095
mutter(" to_rel %r" % to_rel)
1096
mutter(" to_dir %r" % to_dir)
1097
mutter(" to_dir_id {%s}" % to_dir_id)
1098
1099
inv.rename(file_id, to_dir_id, to_tail)
1100
1101
print "%s => %s" % (from_rel, to_rel)
1102
1103
from_abs = self.abspath(from_rel)
1104
to_abs = self.abspath(to_rel)
1105
try:
1106
os.rename(from_abs, to_abs)
1107
except OSError, e:
1108
raise BzrError("failed to rename %r to %r: %s"
1109
% (from_abs, to_abs, e[1]),
1110
["rename rolled back"])
1111
1112
self._write_inventory(inv)
1113
finally:
1114
self.unlock()
1115
1116
1007
rename(from_abs, to_abs)
1008
except OSError, e:
1009
raise BzrError("failed to rename %r to %r: %s"
1010
% (from_abs, to_abs, e[1]),
1011
["rename rolled back"])
1012
1013
self._write_inventory(inv)
1014
1015
@needs_write_lock
1117
1016
def move(self, from_paths, to_name):
1118
1017
"""Rename files.
1119
1018
1124
1023
1125
1024
Note that to_name is only the last component of the new name;
1126
1025
this doesn't change the directory.
1026
1027
This returns a list of (from_path, to_path) pairs for each
1028
entry that is moved.
1127
1029
"""
1128
self.lock_write()
1129
try:
1130
## TODO: Option to move IDs only
1131
assert not isinstance(from_paths, basestring)
1132
tree = self.working_tree()
1133
inv = tree.inventory
1134
to_abs = self.abspath(to_name)
1135
if not isdir(to_abs):
1136
raise BzrError("destination %r is not a directory" % to_abs)
1137
if not tree.has_filename(to_name):
1138
raise BzrError("destination %r not in working directory" % to_abs)
1139
to_dir_id = inv.path2id(to_name)
1140
if to_dir_id == None and to_name != '':
1141
raise BzrError("destination %r is not a versioned directory" % to_name)
1142
to_dir_ie = inv[to_dir_id]
1143
if to_dir_ie.kind not in ('directory', 'root_directory'):
1144
raise BzrError("destination %r is not a directory" % to_abs)
1145
1146
to_idpath = inv.get_idpath(to_dir_id)
1147
1148
for f in from_paths:
1149
if not tree.has_filename(f):
1150
raise BzrError("%r does not exist in working tree" % f)
1151
f_id = inv.path2id(f)
1152
if f_id == None:
1153
raise BzrError("%r is not versioned" % f)
1154
name_tail = splitpath(f)[-1]
1155
dest_path = appendpath(to_name, name_tail)
1156
if tree.has_filename(dest_path):
1157
raise BzrError("destination %r already exists" % dest_path)
1158
if f_id in to_idpath:
1159
raise BzrError("can't move %r to a subdirectory of itself" % f)
1160
1161
# OK, so there's a race here, it's possible that someone will
1162
# create a file in this interval and then the rename might be
1163
# left half-done. But we should have caught most problems.
1164
1165
for f in from_paths:
1166
name_tail = splitpath(f)[-1]
1167
dest_path = appendpath(to_name, name_tail)
1168
print "%s => %s" % (f, dest_path)
1169
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1170
try:
1171
os.rename(self.abspath(f), self.abspath(dest_path))
1172
except OSError, e:
1173
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1174
["rename rolled back"])
1175
1176
self._write_inventory(inv)
1177
finally:
1178
self.unlock()
1030
result = []
1031
## TODO: Option to move IDs only
1032
assert not isinstance(from_paths, basestring)
1033
tree = self.working_tree()
1034
inv = tree.inventory
1035
to_abs = self.abspath(to_name)
1036
if not isdir(to_abs):
1037
raise BzrError("destination %r is not a directory" % to_abs)
1038
if not tree.has_filename(to_name):
1039
raise BzrError("destination %r not in working directory" % to_abs)
1040
to_dir_id = inv.path2id(to_name)
1041
if to_dir_id == None and to_name != '':
1042
raise BzrError("destination %r is not a versioned directory" % to_name)
1043
to_dir_ie = inv[to_dir_id]
1044
if to_dir_ie.kind not in ('directory', 'root_directory'):
1045
raise BzrError("destination %r is not a directory" % to_abs)
1046
1047
to_idpath = inv.get_idpath(to_dir_id)
1048
1049
for f in from_paths:
1050
if not tree.has_filename(f):
1051
raise BzrError("%r does not exist in working tree" % f)
1052
f_id = inv.path2id(f)
1053
if f_id == None:
1054
raise BzrError("%r is not versioned" % f)
1055
name_tail = splitpath(f)[-1]
1056
dest_path = appendpath(to_name, name_tail)
1057
if tree.has_filename(dest_path):
1058
raise BzrError("destination %r already exists" % dest_path)
1059
if f_id in to_idpath:
1060
raise BzrError("can't move %r to a subdirectory of itself" % f)
1061
1062
# OK, so there's a race here, it's possible that someone will
1063
# create a file in this interval and then the rename might be
1064
# left half-done. But we should have caught most problems.
1065
1066
for f in from_paths:
1067
name_tail = splitpath(f)[-1]
1068
dest_path = appendpath(to_name, name_tail)
1069
result.append((f, dest_path))
1070
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1071
try:
1072
rename(self.abspath(f), self.abspath(dest_path))
1073
except OSError, e:
1074
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1075
["rename rolled back"])
1076
1077
self._write_inventory(inv)
1078
return result
1179
1079
1180
1080
1181
1081
def revert(self, filenames, old_tree=None, backups=True):
1185
1085
If true (default) backups are made of files before
1186
1086
they're renamed.
1187
1087
"""
1188
from bzrlib.errors import NotVersionedError, BzrError
1189
1088
from bzrlib.atomicfile import AtomicFile
1190
1089
from bzrlib.osutils import backup_file
1191
1090
1198
1097
for fn in filenames:
1199
1098
file_id = inv.path2id(fn)
1200
1099
if not file_id:
1201
raise NotVersionedError("not a versioned file", fn)
1100
raise NotVersionedError(path=fn)
1202
1101
if not old_inv.has_id(file_id):
1203
1102
raise BzrError("file not present in old tree", fn, file_id)
1204
1103
nids.append((fn, file_id))
1228
1127
These are revisions that have been merged into the working
1229
1128
directory but not yet committed.
1230
1129
"""
1231
cfn = self.controlfilename('pending-merges')
1232
if not os.path.exists(cfn):
1130
cfn = self._rel_controlfilename('pending-merges')
1131
if not self._transport.has(cfn):
1233
1132
return []
1234
1133
p = []
1235
1134
for l in self.controlfile('pending-merges', 'r').readlines():
1237
1136
return p
1238
1137
1239
1138
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1242
1243
validate_revision_id(revision_id)
1244
1139
def add_pending_merge(self, *revision_ids):
1140
# TODO: Perhaps should check at this point that the
1141
# history of the revision is actually present?
1245
1142
p = self.pending_merges()
1246
if revision_id in p:
1247
return
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1250
1251
1143
updated = False
1144
for rev_id in revision_ids:
1145
if rev_id in p:
1146
continue
1147
p.append(rev_id)
1148
updated = True
1149
if updated:
1150
self.set_pending_merges(p)
1151
1152
@needs_write_lock
1252
1153
def set_pending_merges(self, rev_list):
1154
self.put_controlfile('pending-merges', '\n'.join(rev_list))
1155
1156
def get_parent(self):
1157
"""Return the parent location of the branch.
1158
1159
This is the default location for push/pull/missing. The usual
1160
pattern is that the user can override it by specifying a
1161
location.
1162
"""
1163
import errno
1164
_locs = ['parent', 'pull', 'x-pull']
1165
for l in _locs:
1166
try:
1167
return self.controlfile(l, 'r').read().strip('\n')
1168
except IOError, e:
1169
if e.errno != errno.ENOENT:
1170
raise
1171
return None
1172
1173
@needs_write_lock
1174
def set_parent(self, url):
1175
# TODO: Maybe delete old location files?
1253
1176
from bzrlib.atomicfile import AtomicFile
1254
self.lock_write()
1177
f = AtomicFile(self.controlfilename('parent'))
1255
1178
try:
1256
f = AtomicFile(self.controlfilename('pending-merges'))
1257
try:
1258
for l in rev_list:
1259
print >>f, l
1260
f.commit()
1261
finally:
1262
f.close()
1179
f.write(url + '\n')
1180
f.commit()
1263
1181
finally:
1264
self.unlock()
1265
1266
1267
1268
class ScratchBranch(Branch):
1182
f.close()
1183
1184
def check_revno(self, revno):
1185
"""\
1186
Check whether a revno corresponds to any revision.
1187
Zero (the NULL revision) is considered valid.
1188
"""
1189
if revno != 0:
1190
self.check_real_revno(revno)
1191
1192
def check_real_revno(self, revno):
1193
"""\
1194
Check whether a revno corresponds to a real revision.
1195
Zero (the NULL revision) is considered invalid
1196
"""
1197
if revno < 1 or revno > self.revno():
1198
raise InvalidRevisionNumber(revno)
1199
1200
def sign_revision(self, revision_id, gpg_strategy):
1201
plaintext = Testament.from_revision(self, revision_id).as_short_text()
1202
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
1203
1204
@needs_write_lock
1205
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
1206
self.revision_store.add(StringIO(gpg_strategy.sign(plaintext)),
1207
revision_id, "sig")
1208
1209
1210
class ScratchBranch(_Branch):
1269
1211
"""Special test class: a branch that cleans up after itself.
1270
1212
1271
1213
>>> b = ScratchBranch()
1272
1214
>>> isdir(b.base)
1273
1215
True
1274
1216
>>> bd = b.base
1275
>>> b.destroy()
1217
>>> b._transport.__del__()
1276
1218
>>> isdir(bd)
1277
1219
False
1278
1220
"""
1279
def __init__(self, files=[], dirs=[], base=None):
1221
1222
def __init__(self, files=[], dirs=[], transport=None):
1280
1223
"""Make a test branch.
1281
1224
1282
1225
This creates a temporary directory and runs init-tree in it.
1283
1226
1284
1227
If any files are listed, they are created in the working copy.
1285
1228
"""
1286
from tempfile import mkdtemp
1287
init = False
1288
if base is None:
1289
base = mkdtemp()
1290
init = True
1291
Branch.__init__(self, base, init=init)
1229
if transport is None:
1230
transport = bzrlib.transport.local.ScratchTransport()
1231
super(ScratchBranch, self).__init__(transport, init=True)
1232
else:
1233
super(ScratchBranch, self).__init__(transport)
1234
1292
1235
for d in dirs:
1293
os.mkdir(self.abspath(d))
1236
self._transport.mkdir(d)
1294
1237
1295
1238
for f in files:
1296
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1239
self._transport.put(f, 'content of %s' % f)
1297
1240
1298
1241
1299
1242
def clone(self):
1300
1243
"""
1301
1244
>>> orig = ScratchBranch(files=["file1", "file2"])
1302
1245
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1246
>>> if os.name != 'nt':
1247
... os.path.samefile(orig.base, clone.base)
1248
... else:
1249
... orig.base == clone.base
1250
...
1304
1251
False
1305
1252
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1306
1253
True
1310
1257
base = mkdtemp()
1311
1258
os.rmdir(base)
1312
1259
copytree(self.base, base, symlinks=True)
1313
return ScratchBranch(base=base)
1314
1315
def __del__(self):
1316
self.destroy()
1317
1318
def destroy(self):
1319
"""Destroy the test branch, removing the scratch directory."""
1320
from shutil import rmtree
1321
try:
1322
if self.base:
1323
mutter("delete ScratchBranch %s" % self.base)
1324
rmtree(self.base)
1325
except OSError, e:
1326
# Work around for shutil.rmtree failing on Windows when
1327
# readonly files are encountered
1328
mutter("hit exception in destroying ScratchBranch: %s" % e)
1329
for root, dirs, files in os.walk(self.base, topdown=False):
1330
for name in files:
1331
os.chmod(os.path.join(root, name), 0700)
1332
rmtree(self.base)
1333
self.base = None
1334
1260
return ScratchBranch(
1261
transport=bzrlib.transport.local.ScratchTransport(base))
1335
1262
1336
1263
1337
1264
######################################################################
1386
1313
"""Return a new tree-root file id."""
1387
1314
return gen_file_id('TREE_ROOT')
1388
1315
1316
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0