To get this branch, use:
bzr branch
http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar
« back to all changes in this revision
Viewing changes to bzrlib/branch.py
- browse files at revision 1878.1.1
- compare with another revision
- download diff
- download tarball
- view history from revision 1878.1.1
- Committer: John Arbash Meinel
- Date: 2006-07-21 17:52:22 UTC
- mto: This revision was merged to the branch mainline in revision 1882.
- Revision ID: john@arbash-meinel.com-20060721175222-bf7499a71473f2f0
Entries in locations.conf should prefer local paths if available (bug #53653)
- files added:
- BRANCH.TODO
- bzrlib/benchmarks
- bzrlib/bundle
- bzrlib/bundle/old
- bzrlib/bundle/serializer
- bzrlib/doc
- bzrlib/doc/api
- bzrlib/export
- bzrlib/plugins/launchpad
- bzrlib/store
- bzrlib/store/revision
- bzrlib/store/versioned
- bzrlib/tests/blackbox
- bzrlib/tests/branch_implementations
- bzrlib/tests/bzrdir_implementations
- bzrlib/tests/interrepository_implementations
- bzrlib/tests/interversionedfile_implementations
- bzrlib/tests/repository_implementations
- bzrlib/tests/revisionstore_implementations
- bzrlib/tests/test_patches_data
- bzrlib/tests/workingtree_implementations
- bzrlib/transport
- bzrlib/transport/http
- bzrlib/ui
- bzrlib/util
- bzrlib/util/configobj
- bzrlib/util/configobj/docs
- tools/doc_generate
- files removed:
- bzrlib/mdiff.py
- notes
- patches
- plugins/changeset
- files renamed:
- bzrlib/changeset.py => bzrlib/bundle/__init__.py
- plugins/ => bzrlib/plugins/
- bzrlib/store.py => bzrlib/store/__init__.py
- bzrlib/selftest/ => bzrlib/tests/
- bzrlib/selftest/teststatus.py => bzrlib/tests/blackbox/test_status.py
- bzrlib/selftest/blackbox.py => bzrlib/tests/blackbox/test_too_much.py
- bzrlib/selftest/versioning.py => bzrlib/tests/blackbox/test_versioning.py
- bzrlib/selftest/testbranch.py => bzrlib/tests/branch_implementations/test_branch.py
- bzrlib/selftest/testdiff.py => bzrlib/tests/test_diff.py
- bzrlib/selftest/testhashcache.py => bzrlib/tests/test_hashcache.py
- bzrlib/selftest/testinv.py => bzrlib/tests/test_inv.py
- bzrlib/selftest/testlog.py => bzrlib/tests/test_log.py
- bzrlib/selftest/testmerge3.py => bzrlib/tests/test_merge3.py
- bzrlib/selftest/plugins.py => bzrlib/tests/test_plugins.py
- bzrlib/selftest/testrevision.py => bzrlib/tests/test_revision.py
- bzrlib/selftest/testrevisionnamespaces.py => bzrlib/tests/test_revisionnamespaces.py
- tools/testweave.py => bzrlib/tests/test_weave.py
- bzrlib/selftest/whitebox.py => bzrlib/tests/test_whitebox.py
- effbot/ => bzrlib/util/effbot/
- elementtree/ => bzrlib/util/elementtree/
- urlgrabber/ => bzrlib/util/urlgrabber/
- bzrlib/xml.py => bzrlib/xml_serializer.py
- bzrlib/newinventory.py => contrib/newinventory.py
- tutorial.txt => doc/tutorial.txt
- bzr-man.py => tools/doc_generate/autodoc_man.py
- files modified:
- .bzrignore
- bzr *
- setup.py *
added
removed
bzrlib/branch.py
1
# Copyright (C) 2005 Canonical Ltd
2
1
# Copyright (C) 2005, 2006 Canonical Ltd
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
7
7
#
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
11
# GNU General Public License for more details.
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
16
17
17
18
import sys
19
import os
18
from copy import deepcopy
19
from cStringIO import StringIO
20
from unittest import TestSuite
21
from warnings import warn
20
22
21
23
import bzrlib
24
from bzrlib import bzrdir, errors, lockdir, osutils, revision, \
25
tree, \
26
ui, \
27
urlutils
28
from bzrlib.config import TreeConfig
29
from bzrlib.decorators import needs_read_lock, needs_write_lock
30
import bzrlib.errors as errors
31
from bzrlib.errors import (BzrError, BzrCheckError, DivergedBranches,
32
HistoryMissing, InvalidRevisionId,
33
InvalidRevisionNumber, LockError, NoSuchFile,
34
NoSuchRevision, NoWorkingTree, NotVersionedError,
35
NotBranchError, UninitializableFormat,
36
UnlistableStore, UnlistableBranch,
37
)
38
from bzrlib.lockable_files import LockableFiles, TransportLock
39
from bzrlib.symbol_versioning import (deprecated_function,
40
deprecated_method,
41
DEPRECATED_PARAMETER,
42
deprecated_passed,
43
zero_eight, zero_nine,
44
)
22
45
from bzrlib.trace import mutter, note
23
from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, \
24
splitpath, \
25
sha_file, appendpath, file_kind
26
from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
27
import bzrlib.errors
28
from bzrlib.textui import show_status
29
from bzrlib.revision import Revision
30
from bzrlib.xml import unpack_xml
31
from bzrlib.delta import compare_trees
32
from bzrlib.tree import EmptyTree, RevisionTree
33
34
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
35
## TODO: Maybe include checks for common corruption of newlines, etc?
36
46
47
48
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
49
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
50
BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
51
52
53
# TODO: Maybe include checks for common corruption of newlines, etc?
37
54
38
55
# TODO: Some operations like log might retrieve the same revisions
39
56
# 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)
58
new_store = CachedStore(getattr(br, store_name), cache_path)
59
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.
70
71
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.")
57
# cache in memory to make this faster. In general anything can be
58
# cached in memory between lock and unlock operations. .. nb thats
59
# what the transaction identity map provides
131
60
132
61
133
62
######################################################################
137
66
"""Branch holding a history of revisions.
138
67
139
68
base
140
Base directory of the branch.
141
142
_lock_mode
143
None, or 'r' or 'w'
144
145
_lock_count
146
If _lock_mode is true, a positive count of the number of times the
147
lock has been taken.
148
149
_lock
150
Lock object from bzrlib.lock.
69
Base directory/url of the branch.
151
70
"""
71
# this is really an instance variable - FIXME move it there
72
# - RBC 20060112
152
73
base = None
153
_lock_mode = None
154
_lock_count = None
155
_lock = None
156
157
# Map some sort of prefix into a namespace
158
# stuff like "revno:10", "revid:", etc.
159
# This should match a prefix with a function which accepts
160
REVISION_NAMESPACES = {}
161
162
def __init__(self, base, init=False, find_root=True):
163
"""Create new branch object at a particular location.
164
165
base -- Base directory for the branch.
166
167
init -- If True, create new control files in a previously
168
unversioned directory. If False, the branch must already
169
be versioned.
170
171
find_root -- If true and init is false, find the root of the
172
existing branch containing base.
173
174
In the test suite, creation of new trees is tested using the
175
`ScratchBranch` class.
176
"""
177
from bzrlib.store import ImmutableStore
178
if init:
179
self.base = os.path.realpath(base)
180
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
196
197
def __str__(self):
198
return '%s(%r)' % (self.__class__.__name__, self.base)
199
200
201
__repr__ = __str__
202
203
204
def __del__(self):
205
if self._lock_mode or self._lock:
206
from warnings import warn
207
warn("branch %r was not explicitly unlocked" % self)
208
self._lock.unlock()
209
210
74
75
def __init__(self, *ignored, **ignored_too):
76
raise NotImplementedError('The Branch class is abstract')
77
78
def break_lock(self):
79
"""Break a lock if one is present from another instance.
80
81
Uses the ui factory to ask for confirmation if the lock may be from
82
an active process.
83
84
This will probe the repository for its lock as well.
85
"""
86
self.control_files.break_lock()
87
self.repository.break_lock()
88
master = self.get_master_branch()
89
if master is not None:
90
master.break_lock()
91
92
@staticmethod
93
@deprecated_method(zero_eight)
94
def open_downlevel(base):
95
"""Open a branch which may be of an old format."""
96
return Branch.open(base, _unsupported=True)
97
98
@staticmethod
99
def open(base, _unsupported=False):
100
"""Open the branch rooted at base.
101
102
For instance, if the branch is at URL/.bzr/branch,
103
Branch.open(URL) -> a Branch instance.
104
"""
105
control = bzrdir.BzrDir.open(base, _unsupported)
106
return control.open_branch(_unsupported)
107
108
@staticmethod
109
def open_containing(url):
110
"""Open an existing branch which contains url.
111
112
This probes for a branch at url, and searches upwards from there.
113
114
Basically we keep looking up until we find the control directory or
115
run into the root. If there isn't one, raises NotBranchError.
116
If there is one and it is either an unrecognised format or an unsupported
117
format, UnknownFormatError or UnsupportedFormatError are raised.
118
If there is one, it is returned, along with the unused portion of url.
119
"""
120
control, relpath = bzrdir.BzrDir.open_containing(url)
121
return control.open_branch(), relpath
122
123
@staticmethod
124
@deprecated_function(zero_eight)
125
def initialize(base):
126
"""Create a new working tree and branch, rooted at 'base' (url)
127
128
NOTE: This will soon be deprecated in favour of creation
129
through a BzrDir.
130
"""
131
return bzrdir.BzrDir.create_standalone_workingtree(base).branch
132
133
def setup_caching(self, cache_root):
134
"""Subclasses that care about caching should override this, and set
135
up cached stores located under cache_root.
136
"""
137
# seems to be unused, 2006-01-13 mbp
138
warn('%s is deprecated' % self.setup_caching)
139
self.cache_root = cache_root
140
141
def get_config(self):
142
return bzrlib.config.BranchConfig(self)
143
144
def _get_nick(self):
145
return self.get_config().get_nickname()
146
147
def _set_nick(self, nick):
148
self.get_config().set_user_option('nickname', nick)
149
150
nick = property(_get_nick, _set_nick)
151
152
def is_locked(self):
153
raise NotImplementedError('is_locked is abstract')
211
154
212
155
def lock_write(self):
213
if self._lock_mode:
214
if self._lock_mode != 'w':
215
from errors import LockError
216
raise LockError("can't upgrade to a write lock from %r" %
217
self._lock_mode)
218
self._lock_count += 1
219
else:
220
from bzrlib.lock import WriteLock
221
222
self._lock = WriteLock(self.controlfilename('branch-lock'))
223
self._lock_mode = 'w'
224
self._lock_count = 1
225
226
156
raise NotImplementedError('lock_write is abstract')
227
157
228
158
def lock_read(self):
229
if self._lock_mode:
230
assert self._lock_mode in ('r', 'w'), \
231
"invalid lock mode %r" % self._lock_mode
232
self._lock_count += 1
233
else:
234
from bzrlib.lock import ReadLock
235
236
self._lock = ReadLock(self.controlfilename('branch-lock'))
237
self._lock_mode = 'r'
238
self._lock_count = 1
239
240
241
159
raise NotImplementedError('lock_read is abstract')
160
242
161
def unlock(self):
243
if not self._lock_mode:
244
from errors import LockError
245
raise LockError('branch %r is not locked' % (self))
246
247
if self._lock_count > 1:
248
self._lock_count -= 1
249
else:
250
self._lock.unlock()
251
self._lock = None
252
self._lock_mode = self._lock_count = None
253
162
raise NotImplementedError('unlock is abstract')
163
164
def peek_lock_mode(self):
165
"""Return lock mode for the Branch: 'r', 'w' or None"""
166
raise NotImplementedError(self.peek_lock_mode)
167
168
def get_physical_lock_status(self):
169
raise NotImplementedError('get_physical_lock_status is abstract')
254
170
255
171
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
266
267
def controlfilename(self, file_or_path):
268
"""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)
272
273
274
def controlfile(self, file_or_path, mode='r'):
275
"""Open a control file for this branch.
276
277
There are two classes of file in the control directory: text
278
and binary. binary files are untranslated byte streams. Text
279
control files are stored with Unix newlines and in UTF-8, even
280
if the platform or locale defaults are different.
281
282
Controlfiles should almost never be opened in write mode but
283
rather should be atomically copied and replaced using atomicfile.
284
"""
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)
296
else:
297
raise BzrError("invalid controlfile mode %r" % mode)
298
299
300
301
def _make_control(self):
302
from bzrlib.inventory import Inventory
303
from bzrlib.xml import pack_xml
304
305
os.mkdir(self.controlfilename([]))
306
self.controlfile('README', 'w').write(
307
"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):
323
"""Check this branch format is supported.
324
325
The current tool only supports the current unstable format.
326
327
In the future, we might need different in-memory Branch
328
classes to support downlevel branches. But not yet.
329
"""
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,
337
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
339
340
def get_root_id(self):
341
"""Return the id of this branches root"""
342
inv = self.read_working_inventory()
343
return inv.root.file_id
344
345
def set_root_id(self, file_id):
346
inv = self.read_working_inventory()
347
orig_root_id = inv.root.file_id
348
del inv._byid[inv.root.file_id]
349
inv.root.file_id = file_id
350
inv._byid[inv.root.file_id] = inv.root
351
for fid in inv:
352
entry = inv[fid]
353
if entry.parent_id in (None, orig_root_id):
354
entry.parent_id = inv.root.file_id
355
self._write_inventory(inv)
356
357
def read_working_inventory(self):
358
"""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
375
376
def _write_inventory(self, inv):
377
"""Update the working inventory.
378
379
That is to say, the inventory describing changes underway, that
380
will be committed to the next revision.
381
"""
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()
395
396
mutter('wrote working inventory')
397
398
399
inventory = property(read_working_inventory, _write_inventory, None,
400
"""Inventory for the working copy.""")
401
402
403
def add(self, files, verbose=False, ids=None):
404
"""Make files versioned.
405
406
Note that the command line normally calls smart_add instead.
407
408
This puts the files in the Added state, so that they will be
409
recorded by the next commit.
410
411
files
412
List of paths to add, relative to the base of the tree.
413
414
ids
415
If set, use these instead of automatically generated ids.
416
Must be the same length as the list of files, but may
417
contain None for ids that are to be autogenerated.
418
419
TODO: Perhaps have an option to add the ids even if the files do
420
not (yet) exist.
421
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.
428
"""
429
# TODO: Re-adding a file that is removed in the working copy
430
# should probably put it back with the previous ID.
431
if isinstance(files, basestring):
432
assert(ids is None or isinstance(ids, basestring))
433
files = [files]
434
if ids is not None:
435
ids = [ids]
436
437
if ids is None:
438
ids = [None] * len(files)
439
else:
440
assert(len(ids) == len(files))
441
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
479
def print_file(self, file, revno):
480
"""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
537
538
# FIXME: this doesn't need to be a branch method
539
def set_inventory(self, new_inventory_list):
540
from bzrlib.inventory import Inventory, InventoryEntry
541
inv = Inventory(self.get_root_id())
542
for path, file_id, parent, kind in new_inventory_list:
543
name = os.path.basename(path)
544
if name == "":
545
continue
546
inv.add(InventoryEntry(file_id, name, kind, parent))
547
self._write_inventory(inv)
548
549
550
def unknowns(self):
551
"""Return all unknown files.
552
553
These are files in the working directory that are not versioned or
554
control files or ignored.
555
556
>>> b = ScratchBranch(files=['foo', 'foo~'])
557
>>> list(b.unknowns())
558
['foo']
559
>>> b.add('foo')
560
>>> list(b.unknowns())
561
[]
562
>>> b.remove('foo')
563
>>> list(b.unknowns())
564
['foo']
565
"""
566
return self.working_tree().unknowns()
567
568
569
def append_revision(self, *revision_ids):
570
from bzrlib.atomicfile import AtomicFile
571
572
for revision_id in revision_ids:
573
mutter("add {%s} to revision-history" % revision_id)
574
575
rev_history = self.revision_history()
576
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):
588
"""Return XML file object for revision object."""
589
if not revision_id or not isinstance(revision_id, basestring):
590
raise InvalidRevisionId(revision_id)
591
592
self.lock_read()
593
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()
600
601
602
def get_revision(self, revision_id):
603
"""Return the Revision object for a named revision"""
604
xml_file = self.get_revision_xml(revision_id)
605
606
try:
607
r = unpack_xml(Revision, xml_file)
608
except SyntaxError, e:
609
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
610
[revision_id,
611
str(e)])
612
613
assert r.revision_id == revision_id
614
return r
615
172
"""Return absolute filename for something in the branch
173
174
XXX: Robert Collins 20051017 what is this used for? why is it a branch
175
method and not a tree method.
176
"""
177
raise NotImplementedError('abspath is abstract')
178
179
def bind(self, other):
180
"""Bind the local branch the other branch.
181
182
:param other: The branch to bind to
183
:type other: Branch
184
"""
185
raise errors.UpgradeRequired(self.base)
186
187
@needs_write_lock
188
def fetch(self, from_branch, last_revision=None, pb=None):
189
"""Copy revisions from from_branch into this branch.
190
191
:param from_branch: Where to copy from.
192
:param last_revision: What revision to stop at (None for at the end
193
of the branch.
194
:param pb: An optional progress bar to use.
195
196
Returns the copied revision count and the failed revisions in a tuple:
197
(copied, failures).
198
"""
199
if self.base == from_branch.base:
200
return (0, [])
201
if pb is None:
202
nested_pb = ui.ui_factory.nested_progress_bar()
203
pb = nested_pb
204
else:
205
nested_pb = None
206
207
from_branch.lock_read()
208
try:
209
if last_revision is None:
210
pb.update('get source history')
211
from_history = from_branch.revision_history()
212
if from_history:
213
last_revision = from_history[-1]
214
else:
215
# no history in the source branch
216
last_revision = revision.NULL_REVISION
217
return self.repository.fetch(from_branch.repository,
218
revision_id=last_revision,
219
pb=nested_pb)
220
finally:
221
if nested_pb is not None:
222
nested_pb.finished()
223
from_branch.unlock()
224
225
def get_bound_location(self):
226
"""Return the URL of the branch we are bound to.
227
228
Older format branches cannot bind, please be sure to use a metadir
229
branch.
230
"""
231
return None
232
233
def get_commit_builder(self, parents, config=None, timestamp=None,
234
timezone=None, committer=None, revprops=None,
235
revision_id=None):
236
"""Obtain a CommitBuilder for this branch.
237
238
:param parents: Revision ids of the parents of the new revision.
239
:param config: Optional configuration to use.
240
:param timestamp: Optional timestamp recorded for commit.
241
:param timezone: Optional timezone for timestamp.
242
:param committer: Optional committer to set for commit.
243
:param revprops: Optional dictionary of revision properties.
244
:param revision_id: Optional revision id.
245
"""
246
247
if config is None:
248
config = self.get_config()
249
250
return self.repository.get_commit_builder(self, parents, config,
251
timestamp, timezone, committer, revprops, revision_id)
252
253
def get_master_branch(self):
254
"""Return the branch we are bound to.
255
256
:return: Either a Branch, or None
257
"""
258
return None
616
259
617
260
def get_revision_delta(self, revno):
618
261
"""Return the delta for one revision.
624
267
rh = self.revision_history()
625
268
if not (1 <= revno <= len(rh)):
626
269
raise InvalidRevisionNumber(revno)
627
628
# revno is 1-based; list is 0-based
629
630
new_tree = self.revision_tree(rh[revno-1])
631
if revno == 1:
632
old_tree = EmptyTree()
633
else:
634
old_tree = self.revision_tree(rh[revno-2])
635
636
return compare_trees(old_tree, new_tree)
637
638
639
640
def get_revision_sha1(self, revision_id):
641
"""Hash the stored value of a revision, and return it."""
642
# In the future, revision entries will be signed. At that
643
# point, it is probably best *not* to include the signature
644
# in the revision hash. Because that lets you re-sign
645
# the revision, (add signatures/remove signatures) and still
646
# have all hash pointers stay consistent.
647
# 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):
664
"""Return the sha1 hash of the inventory entry
665
"""
666
return sha_file(self.inventory_store[inventory_id])
667
668
669
def get_revision_inventory(self, revision_id):
670
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
672
# must be the same as its revision, so this is trivial.
673
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
return Inventory(self.get_root_id())
676
else:
677
return self.get_inventory(revision_id)
678
270
return self.repository.get_revision_delta(rh[revno-1])
271
272
def get_root_id(self):
273
"""Return the id of this branches root"""
274
raise NotImplementedError('get_root_id is abstract')
275
276
def print_file(self, file, revision_id):
277
"""Print `file` to stdout."""
278
raise NotImplementedError('print_file is abstract')
279
280
def append_revision(self, *revision_ids):
281
raise NotImplementedError('append_revision is abstract')
282
283
def set_revision_history(self, rev_history):
284
raise NotImplementedError('set_revision_history is abstract')
679
285
680
286
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
287
"""Return sequence of revision hashes on to this branch."""
288
raise NotImplementedError('revision_history is abstract')
738
289
739
290
def revno(self):
740
291
"""Return current revision number for this branch.
744
295
"""
745
296
return len(self.revision_history())
746
297
298
def unbind(self):
299
"""Older format branches cannot bind or unbind."""
300
raise errors.UpgradeRequired(self.base)
747
301
748
def last_patch(self):
749
"""Return last patch hash, or None if no history.
750
"""
302
def last_revision(self):
303
"""Return last patch hash, or None if no history."""
751
304
ph = self.revision_history()
752
305
if ph:
753
306
return ph[-1]
754
307
else:
755
308
return None
756
309
757
758
310
def missing_revisions(self, other, stop_revision=None):
759
"""
311
"""Return a list of new revisions that would perfectly fit.
312
760
313
If self and other have not diverged, return a list of the revisions
761
314
present in other, but missing from self.
762
763
>>> from bzrlib.commit import commit
764
>>> bzrlib.trace.silent = True
765
>>> br1 = ScratchBranch()
766
>>> br2 = ScratchBranch()
767
>>> br1.missing_revisions(br2)
768
[]
769
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
770
>>> br1.missing_revisions(br2)
771
[u'REVISION-ID-1']
772
>>> br2.missing_revisions(br1)
773
[]
774
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
775
>>> br1.missing_revisions(br2)
776
[]
777
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
778
>>> br1.missing_revisions(br2)
779
[u'REVISION-ID-2A']
780
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
781
>>> br1.missing_revisions(br2)
782
Traceback (most recent call last):
783
DivergedBranches: These branches have diverged.
784
315
"""
785
316
self_history = self.revision_history()
786
317
self_len = len(self_history)
793
324
794
325
if stop_revision is None:
795
326
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
798
327
else:
328
assert isinstance(stop_revision, int)
329
if stop_revision > other_len:
330
raise errors.NoSuchRevision(self, stop_revision)
799
331
return other_history[self_len:stop_revision]
800
332
801
802
333
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
869
870
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
1032
1033
def revision_tree(self, revision_id):
1034
"""Return Tree for a revision on this branch.
1035
1036
`revision_id` may be None for the null revision, in which case
1037
an `EmptyTree` is returned."""
1038
# TODO: refactor this to use an existing revision object
1039
# so we don't need to read it in twice.
1040
if revision_id == None:
1041
return EmptyTree()
1042
else:
1043
inv = self.get_revision_inventory(revision_id)
1044
return RevisionTree(self.text_store, inv)
1045
1046
1047
def working_tree(self):
1048
"""Return a `Tree` for the working copy."""
1049
from workingtree import WorkingTree
1050
return WorkingTree(self.base, self.read_working_inventory())
1051
334
"""Pull in new perfect-fit revisions.
335
336
:param other: Another Branch to pull from
337
:param stop_revision: Updated until the given revision
338
:return: None
339
"""
340
raise NotImplementedError('update_revisions is abstract')
341
342
def revision_id_to_revno(self, revision_id):
343
"""Given a revision id, return its revno"""
344
if revision_id is None:
345
return 0
346
history = self.revision_history()
347
try:
348
return history.index(revision_id) + 1
349
except ValueError:
350
raise bzrlib.errors.NoSuchRevision(self, revision_id)
351
352
def get_rev_id(self, revno, history=None):
353
"""Find the revision id of the specified revno."""
354
if revno == 0:
355
return None
356
if history is None:
357
history = self.revision_history()
358
elif revno <= 0 or revno > len(history):
359
raise bzrlib.errors.NoSuchRevision(self, revno)
360
return history[revno - 1]
361
362
def pull(self, source, overwrite=False, stop_revision=None):
363
raise NotImplementedError('pull is abstract')
1052
364
1053
365
def basis_tree(self):
1054
366
"""Return `Tree` object for last revision.
1055
367
1056
368
If there are no revisions yet, return an `EmptyTree`.
1057
369
"""
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
370
return self.repository.revision_tree(self.last_revision())
1065
371
1066
372
def rename_one(self, from_rel, to_rel):
1067
373
"""Rename one file.
1068
374
1069
375
This can change the directory or the filename or both.
1070
376
"""
1071
self.lock_write()
1072
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
377
raise NotImplementedError('rename_one is abstract')
1116
378
1117
379
def move(self, from_paths, to_name):
1118
380
"""Rename files.
1124
386
1125
387
Note that to_name is only the last component of the new name;
1126
388
this doesn't change the directory.
1127
"""
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()
1179
1180
1181
def revert(self, filenames, old_tree=None, backups=True):
1182
"""Restore selected files to the versions from a previous tree.
1183
1184
backups
1185
If true (default) backups are made of files before
1186
they're renamed.
1187
"""
1188
from bzrlib.errors import NotVersionedError, BzrError
1189
from bzrlib.atomicfile import AtomicFile
1190
from bzrlib.osutils import backup_file
1191
1192
inv = self.read_working_inventory()
1193
if old_tree is None:
1194
old_tree = self.basis_tree()
1195
old_inv = old_tree.inventory
1196
1197
nids = []
1198
for fn in filenames:
1199
file_id = inv.path2id(fn)
1200
if not file_id:
1201
raise NotVersionedError("not a versioned file", fn)
1202
if not old_inv.has_id(file_id):
1203
raise BzrError("file not present in old tree", fn, file_id)
1204
nids.append((fn, file_id))
1205
1206
# TODO: Rename back if it was previously at a different location
1207
1208
# TODO: If given a directory, restore the entire contents from
1209
# the previous version.
1210
1211
# TODO: Make a backup to a temporary file.
1212
1213
# TODO: If the file previously didn't exist, delete it?
1214
for fn, file_id in nids:
1215
backup_file(fn)
1216
1217
f = AtomicFile(fn, 'wb')
1218
try:
1219
f.write(old_tree.get_file(file_id).read())
1220
f.commit()
1221
finally:
1222
f.close()
1223
1224
1225
def pending_merges(self):
1226
"""Return a list of pending merges.
1227
1228
These are revisions that have been merged into the working
1229
directory but not yet committed.
1230
"""
1231
cfn = self.controlfilename('pending-merges')
1232
if not os.path.exists(cfn):
1233
return []
1234
p = []
1235
for l in self.controlfile('pending-merges', 'r').readlines():
1236
p.append(l.rstrip('\n'))
1237
return p
1238
1239
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1242
1243
validate_revision_id(revision_id)
1244
1245
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
1252
def set_pending_merges(self, rev_list):
1253
from bzrlib.atomicfile import AtomicFile
1254
self.lock_write()
1255
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()
1263
finally:
1264
self.unlock()
1265
1266
1267
1268
class ScratchBranch(Branch):
1269
"""Special test class: a branch that cleans up after itself.
1270
1271
>>> b = ScratchBranch()
1272
>>> isdir(b.base)
1273
True
1274
>>> bd = b.base
1275
>>> b.destroy()
1276
>>> isdir(bd)
1277
False
1278
"""
1279
def __init__(self, files=[], dirs=[], base=None):
1280
"""Make a test branch.
1281
1282
This creates a temporary directory and runs init-tree in it.
1283
1284
If any files are listed, they are created in the working copy.
1285
"""
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)
1292
for d in dirs:
1293
os.mkdir(self.abspath(d))
1294
1295
for f in files:
1296
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1297
1298
1299
def clone(self):
1300
"""
1301
>>> orig = ScratchBranch(files=["file1", "file2"])
1302
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1304
False
1305
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1306
True
1307
"""
1308
from shutil import copytree
1309
from tempfile import mkdtemp
1310
base = mkdtemp()
1311
os.rmdir(base)
1312
copytree(self.base, base, symlinks=True)
1313
return ScratchBranch(base=base)
1314
389
390
This returns a list of (from_path, to_path) pairs for each
391
entry that is moved.
392
"""
393
raise NotImplementedError('move is abstract')
394
395
def get_parent(self):
396
"""Return the parent location of the branch.
397
398
This is the default location for push/pull/missing. The usual
399
pattern is that the user can override it by specifying a
400
location.
401
"""
402
raise NotImplementedError('get_parent is abstract')
403
404
def get_submit_branch(self):
405
"""Return the submit location of the branch.
406
407
This is the default location for bundle. The usual
408
pattern is that the user can override it by specifying a
409
location.
410
"""
411
return self.get_config().get_user_option('submit_branch')
412
413
def set_submit_branch(self, location):
414
"""Return the submit location of the branch.
415
416
This is the default location for bundle. The usual
417
pattern is that the user can override it by specifying a
418
location.
419
"""
420
self.get_config().set_user_option('submit_branch', location)
421
422
def get_push_location(self):
423
"""Return the None or the location to push this branch to."""
424
raise NotImplementedError('get_push_location is abstract')
425
426
def set_push_location(self, location):
427
"""Set a new push location for this branch."""
428
raise NotImplementedError('set_push_location is abstract')
429
430
def set_parent(self, url):
431
raise NotImplementedError('set_parent is abstract')
432
433
@needs_write_lock
434
def update(self):
435
"""Synchronise this branch with the master branch if any.
436
437
:return: None or the last_revision pivoted out during the update.
438
"""
439
return None
440
441
def check_revno(self, revno):
442
"""\
443
Check whether a revno corresponds to any revision.
444
Zero (the NULL revision) is considered valid.
445
"""
446
if revno != 0:
447
self.check_real_revno(revno)
448
449
def check_real_revno(self, revno):
450
"""\
451
Check whether a revno corresponds to a real revision.
452
Zero (the NULL revision) is considered invalid
453
"""
454
if revno < 1 or revno > self.revno():
455
raise InvalidRevisionNumber(revno)
456
457
@needs_read_lock
458
def clone(self, *args, **kwargs):
459
"""Clone this branch into to_bzrdir preserving all semantic values.
460
461
revision_id: if not None, the revision history in the new branch will
462
be truncated to end with revision_id.
463
"""
464
# for API compatibility, until 0.8 releases we provide the old api:
465
# def clone(self, to_location, revision=None, basis_branch=None, to_branch_format=None):
466
# after 0.8 releases, the *args and **kwargs should be changed:
467
# def clone(self, to_bzrdir, revision_id=None):
468
if (kwargs.get('to_location', None) or
469
kwargs.get('revision', None) or
470
kwargs.get('basis_branch', None) or
471
(len(args) and isinstance(args[0], basestring))):
472
# backwards compatibility api:
473
warn("Branch.clone() has been deprecated for BzrDir.clone() from"
474
" bzrlib 0.8.", DeprecationWarning, stacklevel=3)
475
# get basis_branch
476
if len(args) > 2:
477
basis_branch = args[2]
478
else:
479
basis_branch = kwargs.get('basis_branch', None)
480
if basis_branch:
481
basis = basis_branch.bzrdir
482
else:
483
basis = None
484
# get revision
485
if len(args) > 1:
486
revision_id = args[1]
487
else:
488
revision_id = kwargs.get('revision', None)
489
# get location
490
if len(args):
491
url = args[0]
492
else:
493
# no default to raise if not provided.
494
url = kwargs.get('to_location')
495
return self.bzrdir.clone(url,
496
revision_id=revision_id,
497
basis=basis).open_branch()
498
# new cleaner api.
499
# generate args by hand
500
if len(args) > 1:
501
revision_id = args[1]
502
else:
503
revision_id = kwargs.get('revision_id', None)
504
if len(args):
505
to_bzrdir = args[0]
506
else:
507
# no default to raise if not provided.
508
to_bzrdir = kwargs.get('to_bzrdir')
509
result = self._format.initialize(to_bzrdir)
510
self.copy_content_into(result, revision_id=revision_id)
511
return result
512
513
@needs_read_lock
514
def sprout(self, to_bzrdir, revision_id=None):
515
"""Create a new line of development from the branch, into to_bzrdir.
516
517
revision_id: if not None, the revision history in the new branch will
518
be truncated to end with revision_id.
519
"""
520
result = self._format.initialize(to_bzrdir)
521
self.copy_content_into(result, revision_id=revision_id)
522
result.set_parent(self.bzrdir.root_transport.base)
523
return result
524
525
@needs_read_lock
526
def copy_content_into(self, destination, revision_id=None):
527
"""Copy the content of self into destination.
528
529
revision_id: if not None, the revision history in the new branch will
530
be truncated to end with revision_id.
531
"""
532
new_history = self.revision_history()
533
if revision_id is not None:
534
try:
535
new_history = new_history[:new_history.index(revision_id) + 1]
536
except ValueError:
537
rev = self.repository.get_revision(revision_id)
538
new_history = rev.get_history(self.repository)[1:]
539
destination.set_revision_history(new_history)
540
parent = self.get_parent()
541
if parent:
542
destination.set_parent(parent)
543
544
@needs_read_lock
545
def check(self):
546
"""Check consistency of the branch.
547
548
In particular this checks that revisions given in the revision-history
549
do actually match up in the revision graph, and that they're all
550
present in the repository.
551
552
Callers will typically also want to check the repository.
553
554
:return: A BranchCheckResult.
555
"""
556
mainline_parent_id = None
557
for revision_id in self.revision_history():
558
try:
559
revision = self.repository.get_revision(revision_id)
560
except errors.NoSuchRevision, e:
561
raise errors.BzrCheckError("mainline revision {%s} not in repository"
562
% revision_id)
563
# In general the first entry on the revision history has no parents.
564
# But it's not illegal for it to have parents listed; this can happen
565
# in imports from Arch when the parents weren't reachable.
566
if mainline_parent_id is not None:
567
if mainline_parent_id not in revision.parent_ids:
568
raise errors.BzrCheckError("previous revision {%s} not listed among "
569
"parents of {%s}"
570
% (mainline_parent_id, revision_id))
571
mainline_parent_id = revision_id
572
return BranchCheckResult(self)
573
574
575
class BranchFormat(object):
576
"""An encapsulation of the initialization and open routines for a format.
577
578
Formats provide three things:
579
* An initialization routine,
580
* a format string,
581
* an open routine.
582
583
Formats are placed in an dict by their format string for reference
584
during branch opening. Its not required that these be instances, they
585
can be classes themselves with class methods - it simply depends on
586
whether state is needed for a given format or not.
587
588
Once a format is deprecated, just deprecate the initialize and open
589
methods on the format class. Do not deprecate the object, as the
590
object will be created every time regardless.
591
"""
592
593
_default_format = None
594
"""The default format used for new branches."""
595
596
_formats = {}
597
"""The known formats."""
598
599
@classmethod
600
def find_format(klass, a_bzrdir):
601
"""Return the format for the branch object in a_bzrdir."""
602
try:
603
transport = a_bzrdir.get_branch_transport(None)
604
format_string = transport.get("format").read()
605
return klass._formats[format_string]
606
except NoSuchFile:
607
raise NotBranchError(path=transport.base)
608
except KeyError:
609
raise errors.UnknownFormatError(format=format_string)
610
611
@classmethod
612
def get_default_format(klass):
613
"""Return the current default format."""
614
return klass._default_format
615
616
def get_format_string(self):
617
"""Return the ASCII format string that identifies this format."""
618
raise NotImplementedError(self.get_format_string)
619
620
def get_format_description(self):
621
"""Return the short format description for this format."""
622
raise NotImplementedError(self.get_format_string)
623
624
def initialize(self, a_bzrdir):
625
"""Create a branch of this format in a_bzrdir."""
626
raise NotImplementedError(self.initialize)
627
628
def is_supported(self):
629
"""Is this format supported?
630
631
Supported formats can be initialized and opened.
632
Unsupported formats may not support initialization or committing or
633
some other features depending on the reason for not being supported.
634
"""
635
return True
636
637
def open(self, a_bzrdir, _found=False):
638
"""Return the branch object for a_bzrdir
639
640
_found is a private parameter, do not use it. It is used to indicate
641
if format probing has already be done.
642
"""
643
raise NotImplementedError(self.open)
644
645
@classmethod
646
def register_format(klass, format):
647
klass._formats[format.get_format_string()] = format
648
649
@classmethod
650
def set_default_format(klass, format):
651
klass._default_format = format
652
653
@classmethod
654
def unregister_format(klass, format):
655
assert klass._formats[format.get_format_string()] is format
656
del klass._formats[format.get_format_string()]
657
658
def __str__(self):
659
return self.get_format_string().rstrip()
660
661
662
class BzrBranchFormat4(BranchFormat):
663
"""Bzr branch format 4.
664
665
This format has:
666
- a revision-history file.
667
- a branch-lock lock file [ to be shared with the bzrdir ]
668
"""
669
670
def get_format_description(self):
671
"""See BranchFormat.get_format_description()."""
672
return "Branch format 4"
673
674
def initialize(self, a_bzrdir):
675
"""Create a branch of this format in a_bzrdir."""
676
mutter('creating branch in %s', a_bzrdir.transport.base)
677
branch_transport = a_bzrdir.get_branch_transport(self)
678
utf8_files = [('revision-history', ''),
679
('branch-name', ''),
680
]
681
control_files = LockableFiles(branch_transport, 'branch-lock',
682
TransportLock)
683
control_files.create_lock()
684
control_files.lock_write()
685
try:
686
for file, content in utf8_files:
687
control_files.put_utf8(file, content)
688
finally:
689
control_files.unlock()
690
return self.open(a_bzrdir, _found=True)
691
692
def __init__(self):
693
super(BzrBranchFormat4, self).__init__()
694
self._matchingbzrdir = bzrdir.BzrDirFormat6()
695
696
def open(self, a_bzrdir, _found=False):
697
"""Return the branch object for a_bzrdir
698
699
_found is a private parameter, do not use it. It is used to indicate
700
if format probing has already be done.
701
"""
702
if not _found:
703
# we are being called directly and must probe.
704
raise NotImplementedError
705
return BzrBranch(_format=self,
706
_control_files=a_bzrdir._control_files,
707
a_bzrdir=a_bzrdir,
708
_repository=a_bzrdir.open_repository())
709
710
def __str__(self):
711
return "Bazaar-NG branch format 4"
712
713
714
class BzrBranchFormat5(BranchFormat):
715
"""Bzr branch format 5.
716
717
This format has:
718
- a revision-history file.
719
- a format string
720
- a lock dir guarding the branch itself
721
- all of this stored in a branch/ subdirectory
722
- works with shared repositories.
723
724
This format is new in bzr 0.8.
725
"""
726
727
def get_format_string(self):
728
"""See BranchFormat.get_format_string()."""
729
return "Bazaar-NG branch format 5\n"
730
731
def get_format_description(self):
732
"""See BranchFormat.get_format_description()."""
733
return "Branch format 5"
734
735
def initialize(self, a_bzrdir):
736
"""Create a branch of this format in a_bzrdir."""
737
mutter('creating branch %r in %s', self, a_bzrdir.transport.base)
738
branch_transport = a_bzrdir.get_branch_transport(self)
739
utf8_files = [('revision-history', ''),
740
('branch-name', ''),
741
]
742
control_files = LockableFiles(branch_transport, 'lock', lockdir.LockDir)
743
control_files.create_lock()
744
control_files.lock_write()
745
control_files.put_utf8('format', self.get_format_string())
746
try:
747
for file, content in utf8_files:
748
control_files.put_utf8(file, content)
749
finally:
750
control_files.unlock()
751
return self.open(a_bzrdir, _found=True, )
752
753
def __init__(self):
754
super(BzrBranchFormat5, self).__init__()
755
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
756
757
def open(self, a_bzrdir, _found=False):
758
"""Return the branch object for a_bzrdir
759
760
_found is a private parameter, do not use it. It is used to indicate
761
if format probing has already be done.
762
"""
763
if not _found:
764
format = BranchFormat.find_format(a_bzrdir)
765
assert format.__class__ == self.__class__
766
transport = a_bzrdir.get_branch_transport(None)
767
control_files = LockableFiles(transport, 'lock', lockdir.LockDir)
768
return BzrBranch5(_format=self,
769
_control_files=control_files,
770
a_bzrdir=a_bzrdir,
771
_repository=a_bzrdir.find_repository())
772
773
def __str__(self):
774
return "Bazaar-NG Metadir branch format 5"
775
776
777
class BranchReferenceFormat(BranchFormat):
778
"""Bzr branch reference format.
779
780
Branch references are used in implementing checkouts, they
781
act as an alias to the real branch which is at some other url.
782
783
This format has:
784
- A location file
785
- a format string
786
"""
787
788
def get_format_string(self):
789
"""See BranchFormat.get_format_string()."""
790
return "Bazaar-NG Branch Reference Format 1\n"
791
792
def get_format_description(self):
793
"""See BranchFormat.get_format_description()."""
794
return "Checkout reference format 1"
795
796
def initialize(self, a_bzrdir, target_branch=None):
797
"""Create a branch of this format in a_bzrdir."""
798
if target_branch is None:
799
# this format does not implement branch itself, thus the implicit
800
# creation contract must see it as uninitializable
801
raise errors.UninitializableFormat(self)
802
mutter('creating branch reference in %s', a_bzrdir.transport.base)
803
branch_transport = a_bzrdir.get_branch_transport(self)
804
# FIXME rbc 20060209 one j-a-ms encoding branch lands this str() cast is not needed.
805
branch_transport.put('location', StringIO(str(target_branch.bzrdir.root_transport.base)))
806
branch_transport.put('format', StringIO(self.get_format_string()))
807
return self.open(a_bzrdir, _found=True)
808
809
def __init__(self):
810
super(BranchReferenceFormat, self).__init__()
811
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
812
813
def _make_reference_clone_function(format, a_branch):
814
"""Create a clone() routine for a branch dynamically."""
815
def clone(to_bzrdir, revision_id=None):
816
"""See Branch.clone()."""
817
return format.initialize(to_bzrdir, a_branch)
818
# cannot obey revision_id limits when cloning a reference ...
819
# FIXME RBC 20060210 either nuke revision_id for clone, or
820
# emit some sort of warning/error to the caller ?!
821
return clone
822
823
def open(self, a_bzrdir, _found=False):
824
"""Return the branch that the branch reference in a_bzrdir points at.
825
826
_found is a private parameter, do not use it. It is used to indicate
827
if format probing has already be done.
828
"""
829
if not _found:
830
format = BranchFormat.find_format(a_bzrdir)
831
assert format.__class__ == self.__class__
832
transport = a_bzrdir.get_branch_transport(None)
833
real_bzrdir = bzrdir.BzrDir.open(transport.get('location').read())
834
result = real_bzrdir.open_branch()
835
# this changes the behaviour of result.clone to create a new reference
836
# rather than a copy of the content of the branch.
837
# I did not use a proxy object because that needs much more extensive
838
# testing, and we are only changing one behaviour at the moment.
839
# If we decide to alter more behaviours - i.e. the implicit nickname
840
# then this should be refactored to introduce a tested proxy branch
841
# and a subclass of that for use in overriding clone() and ....
842
# - RBC 20060210
843
result.clone = self._make_reference_clone_function(result)
844
return result
845
846
847
# formats which have no format string are not discoverable
848
# and not independently creatable, so are not registered.
849
__default_format = BzrBranchFormat5()
850
BranchFormat.register_format(__default_format)
851
BranchFormat.register_format(BranchReferenceFormat())
852
BranchFormat.set_default_format(__default_format)
853
_legacy_formats = [BzrBranchFormat4(),
854
]
855
856
class BzrBranch(Branch):
857
"""A branch stored in the actual filesystem.
858
859
Note that it's "local" in the context of the filesystem; it doesn't
860
really matter if it's on an nfs/smb/afs/coda/... share, as long as
861
it's writable, and can be accessed via the normal filesystem API.
862
"""
863
864
def __init__(self, transport=DEPRECATED_PARAMETER, init=DEPRECATED_PARAMETER,
865
relax_version_check=DEPRECATED_PARAMETER, _format=None,
866
_control_files=None, a_bzrdir=None, _repository=None):
867
"""Create new branch object at a particular location.
868
869
transport -- A Transport object, defining how to access files.
870
871
init -- If True, create new control files in a previously
872
unversioned directory. If False, the branch must already
873
be versioned.
874
875
relax_version_check -- If true, the usual check for the branch
876
version is not applied. This is intended only for
877
upgrade/recovery type use; it's not guaranteed that
878
all operations will work on old format branches.
879
"""
880
if a_bzrdir is None:
881
self.bzrdir = bzrdir.BzrDir.open(transport.base)
882
else:
883
self.bzrdir = a_bzrdir
884
self._transport = self.bzrdir.transport.clone('..')
885
self._base = self._transport.base
886
self._format = _format
887
if _control_files is None:
888
raise ValueError('BzrBranch _control_files is None')
889
self.control_files = _control_files
890
if deprecated_passed(init):
891
warn("BzrBranch.__init__(..., init=XXX): The init parameter is "
892
"deprecated as of bzr 0.8. Please use Branch.create().",
893
DeprecationWarning,
894
stacklevel=2)
895
if init:
896
# this is slower than before deprecation, oh well never mind.
897
# -> its deprecated.
898
self._initialize(transport.base)
899
self._check_format(_format)
900
if deprecated_passed(relax_version_check):
901
warn("BzrBranch.__init__(..., relax_version_check=XXX_: The "
902
"relax_version_check parameter is deprecated as of bzr 0.8. "
903
"Please use BzrDir.open_downlevel, or a BzrBranchFormat's "
904
"open() method.",
905
DeprecationWarning,
906
stacklevel=2)
907
if (not relax_version_check
908
and not self._format.is_supported()):
909
raise errors.UnsupportedFormatError(format=fmt)
910
if deprecated_passed(transport):
911
warn("BzrBranch.__init__(transport=XXX...): The transport "
912
"parameter is deprecated as of bzr 0.8. "
913
"Please use Branch.open, or bzrdir.open_branch().",
914
DeprecationWarning,
915
stacklevel=2)
916
self.repository = _repository
917
918
def __str__(self):
919
return '%s(%r)' % (self.__class__.__name__, self.base)
920
921
__repr__ = __str__
922
1315
923
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
924
# TODO: It might be best to do this somewhere else,
925
# but it is nice for a Branch object to automatically
926
# cache it's information.
927
# Alternatively, we could have the Transport objects cache requests
928
# See the earlier discussion about how major objects (like Branch)
929
# should never expect their __del__ function to run.
930
# XXX: cache_root seems to be unused, 2006-01-13 mbp
931
if hasattr(self, 'cache_root') and self.cache_root is not None:
932
try:
933
osutils.rmtree(self.cache_root)
934
except:
935
pass
936
self.cache_root = None
937
938
def _get_base(self):
939
return self._base
940
941
base = property(_get_base, doc="The URL for the root of this branch.")
942
943
def _finish_transaction(self):
944
"""Exit the current transaction."""
945
return self.control_files._finish_transaction()
946
947
def get_transaction(self):
948
"""Return the current active transaction.
949
950
If no transaction is active, this returns a passthrough object
951
for which all data is immediately flushed and no caching happens.
952
"""
953
# this is an explicit function so that we can do tricky stuff
954
# when the storage in rev_storage is elsewhere.
955
# we probably need to hook the two 'lock a location' and
956
# 'have a transaction' together more delicately, so that
957
# we can have two locks (branch and storage) and one transaction
958
# ... and finishing the transaction unlocks both, but unlocking
959
# does not. - RBC 20051121
960
return self.control_files.get_transaction()
961
962
def _set_transaction(self, transaction):
963
"""Set a new active transaction."""
964
return self.control_files._set_transaction(transaction)
965
966
def abspath(self, name):
967
"""See Branch.abspath."""
968
return self.control_files._transport.abspath(name)
969
970
def _check_format(self, format):
971
"""Identify the branch format if needed.
972
973
The format is stored as a reference to the format object in
974
self._format for code that needs to check it later.
975
976
The format parameter is either None or the branch format class
977
used to open this branch.
978
979
FIXME: DELETE THIS METHOD when pre 0.8 support is removed.
980
"""
981
if format is None:
982
format = BranchFormat.find_format(self.bzrdir)
983
self._format = format
984
mutter("got branch format %s", self._format)
985
986
@needs_read_lock
987
def get_root_id(self):
988
"""See Branch.get_root_id."""
989
tree = self.repository.revision_tree(self.last_revision())
990
return tree.inventory.root.file_id
991
992
def is_locked(self):
993
return self.control_files.is_locked()
994
995
def lock_write(self):
996
self.repository.lock_write()
997
try:
998
self.control_files.lock_write()
999
except:
1000
self.repository.unlock()
1001
raise
1002
1003
def lock_read(self):
1004
self.repository.lock_read()
1005
try:
1006
self.control_files.lock_read()
1007
except:
1008
self.repository.unlock()
1009
raise
1010
1011
def unlock(self):
1012
# TODO: test for failed two phase locks. This is known broken.
1013
try:
1014
self.control_files.unlock()
1015
finally:
1016
self.repository.unlock()
1017
1018
def peek_lock_mode(self):
1019
if self.control_files._lock_count == 0:
1020
return None
1021
else:
1022
return self.control_files._lock_mode
1023
1024
def get_physical_lock_status(self):
1025
return self.control_files.get_physical_lock_status()
1026
1027
@needs_read_lock
1028
def print_file(self, file, revision_id):
1029
"""See Branch.print_file."""
1030
return self.repository.print_file(file, revision_id)
1031
1032
@needs_write_lock
1033
def append_revision(self, *revision_ids):
1034
"""See Branch.append_revision."""
1035
for revision_id in revision_ids:
1036
mutter("add {%s} to revision-history" % revision_id)
1037
rev_history = self.revision_history()
1038
rev_history.extend(revision_ids)
1039
self.set_revision_history(rev_history)
1040
1041
@needs_write_lock
1042
def set_revision_history(self, rev_history):
1043
"""See Branch.set_revision_history."""
1044
self.control_files.put_utf8(
1045
'revision-history', '\n'.join(rev_history))
1046
transaction = self.get_transaction()
1047
history = transaction.map.find_revision_history()
1048
if history is not None:
1049
# update the revision history in the identity map.
1050
history[:] = list(rev_history)
1051
# this call is disabled because revision_history is
1052
# not really an object yet, and the transaction is for objects.
1053
# transaction.register_dirty(history)
1054
else:
1055
transaction.map.add_revision_history(rev_history)
1056
# this call is disabled because revision_history is
1057
# not really an object yet, and the transaction is for objects.
1058
# transaction.register_clean(history)
1059
1060
@needs_read_lock
1061
def revision_history(self):
1062
"""See Branch.revision_history."""
1063
transaction = self.get_transaction()
1064
history = transaction.map.find_revision_history()
1065
if history is not None:
1066
mutter("cache hit for revision-history in %s", self)
1067
return list(history)
1068
history = [l.rstrip('\r\n') for l in
1069
self.control_files.get_utf8('revision-history').readlines()]
1070
transaction.map.add_revision_history(history)
1071
# this call is disabled because revision_history is
1072
# not really an object yet, and the transaction is for objects.
1073
# transaction.register_clean(history, precious=True)
1074
return list(history)
1075
1076
@needs_write_lock
1077
def generate_revision_history(self, revision_id, last_rev=None,
1078
other_branch=None):
1079
"""Create a new revision history that will finish with revision_id.
1080
1081
:param revision_id: the new tip to use.
1082
:param last_rev: The previous last_revision. If not None, then this
1083
must be a ancestory of revision_id, or DivergedBranches is raised.
1084
:param other_branch: The other branch that DivergedBranches should
1085
raise with respect to.
1086
"""
1087
# stop_revision must be a descendant of last_revision
1088
stop_graph = self.repository.get_revision_graph(revision_id)
1089
if last_rev is not None and last_rev not in stop_graph:
1090
# our previous tip is not merged into stop_revision
1091
raise errors.DivergedBranches(self, other_branch)
1092
# make a new revision history from the graph
1093
current_rev_id = revision_id
1094
new_history = []
1095
while current_rev_id not in (None, revision.NULL_REVISION):
1096
new_history.append(current_rev_id)
1097
current_rev_id_parents = stop_graph[current_rev_id]
1098
try:
1099
current_rev_id = current_rev_id_parents[0]
1100
except IndexError:
1101
current_rev_id = None
1102
new_history.reverse()
1103
self.set_revision_history(new_history)
1104
1105
@needs_write_lock
1106
def update_revisions(self, other, stop_revision=None):
1107
"""See Branch.update_revisions."""
1108
other.lock_read()
1109
try:
1110
if stop_revision is None:
1111
stop_revision = other.last_revision()
1112
if stop_revision is None:
1113
# if there are no commits, we're done.
1114
return
1115
# whats the current last revision, before we fetch [and change it
1116
# possibly]
1117
last_rev = self.last_revision()
1118
# we fetch here regardless of whether we need to so that we pickup
1119
# filled in ghosts.
1120
self.fetch(other, stop_revision)
1121
my_ancestry = self.repository.get_ancestry(last_rev)
1122
if stop_revision in my_ancestry:
1123
# last_revision is a descendant of stop_revision
1124
return
1125
self.generate_revision_history(stop_revision, last_rev=last_rev,
1126
other_branch=other)
1127
finally:
1128
other.unlock()
1129
1130
def basis_tree(self):
1131
"""See Branch.basis_tree."""
1132
return self.repository.revision_tree(self.last_revision())
1133
1134
@deprecated_method(zero_eight)
1135
def working_tree(self):
1136
"""Create a Working tree object for this branch."""
1137
1138
from bzrlib.transport.local import LocalTransport
1139
if (self.base.find('://') != -1 or
1140
not isinstance(self._transport, LocalTransport)):
1141
raise NoWorkingTree(self.base)
1142
return self.bzrdir.open_workingtree()
1143
1144
@needs_write_lock
1145
def pull(self, source, overwrite=False, stop_revision=None):
1146
"""See Branch.pull."""
1147
source.lock_read()
1148
try:
1149
old_count = len(self.revision_history())
1150
try:
1151
self.update_revisions(source,stop_revision)
1152
except DivergedBranches:
1153
if not overwrite:
1154
raise
1155
if overwrite:
1156
self.set_revision_history(source.revision_history())
1157
new_count = len(self.revision_history())
1158
return new_count - old_count
1159
finally:
1160
source.unlock()
1161
1162
def get_parent(self):
1163
"""See Branch.get_parent."""
1164
1165
_locs = ['parent', 'pull', 'x-pull']
1166
assert self.base[-1] == '/'
1167
for l in _locs:
1168
try:
1169
parent = self.control_files.get(l).read().strip('\n')
1170
except NoSuchFile:
1171
continue
1172
# This is an old-format absolute path to a local branch
1173
# turn it into a url
1174
if parent.startswith('/'):
1175
parent = urlutils.local_path_to_url(parent.decode('utf8'))
1176
return urlutils.join(self.base[:-1], parent)
1177
return None
1178
1179
def get_push_location(self):
1180
"""See Branch.get_push_location."""
1181
push_loc = self.get_config().get_user_option('push_location')
1182
return push_loc
1183
1184
def set_push_location(self, location):
1185
"""See Branch.set_push_location."""
1186
self.get_config().set_user_option('push_location', location,
1187
local=True)
1188
1189
@needs_write_lock
1190
def set_parent(self, url):
1191
"""See Branch.set_parent."""
1192
# TODO: Maybe delete old location files?
1193
# URLs should never be unicode, even on the local fs,
1194
# FIXUP this and get_parent in a future branch format bump:
1195
# read and rewrite the file, and have the new format code read
1196
# using .get not .get_utf8. RBC 20060125
1197
if url is None:
1198
self.control_files._transport.delete('parent')
1199
else:
1200
if isinstance(url, unicode):
1201
try:
1202
url = url.encode('ascii')
1203
except UnicodeEncodeError:
1204
raise bzrlib.errors.InvalidURL(url,
1205
"Urls must be 7-bit ascii, "
1206
"use bzrlib.urlutils.escape")
1207
1208
url = urlutils.relative_url(self.base, url)
1209
self.control_files.put('parent', url + '\n')
1210
1211
@deprecated_function(zero_nine)
1212
def tree_config(self):
1213
"""DEPRECATED; call get_config instead.
1214
TreeConfig has become part of BranchConfig."""
1215
return TreeConfig(self)
1216
1217
1218
class BzrBranch5(BzrBranch):
1219
"""A format 5 branch. This supports new features over plan branches.
1220
1221
It has support for a master_branch which is the data for bound branches.
1222
"""
1223
1224
def __init__(self,
1225
_format,
1226
_control_files,
1227
a_bzrdir,
1228
_repository):
1229
super(BzrBranch5, self).__init__(_format=_format,
1230
_control_files=_control_files,
1231
a_bzrdir=a_bzrdir,
1232
_repository=_repository)
1233
1234
@needs_write_lock
1235
def pull(self, source, overwrite=False, stop_revision=None):
1236
"""Updates branch.pull to be bound branch aware."""
1237
bound_location = self.get_bound_location()
1238
if source.base != bound_location:
1239
# not pulling from master, so we need to update master.
1240
master_branch = self.get_master_branch()
1241
if master_branch:
1242
master_branch.pull(source)
1243
source = master_branch
1244
return super(BzrBranch5, self).pull(source, overwrite, stop_revision)
1245
1246
def get_bound_location(self):
1247
try:
1248
return self.control_files.get_utf8('bound').read()[:-1]
1249
except errors.NoSuchFile:
1250
return None
1251
1252
@needs_read_lock
1253
def get_master_branch(self):
1254
"""Return the branch we are bound to.
1255
1256
:return: Either a Branch, or None
1257
1258
This could memoise the branch, but if thats done
1259
it must be revalidated on each new lock.
1260
So for now we just don't memoise it.
1261
# RBC 20060304 review this decision.
1262
"""
1263
bound_loc = self.get_bound_location()
1264
if not bound_loc:
1265
return None
1266
try:
1267
return Branch.open(bound_loc)
1268
except (errors.NotBranchError, errors.ConnectionError), e:
1269
raise errors.BoundBranchConnectionFailure(
1270
self, bound_loc, e)
1271
1272
@needs_write_lock
1273
def set_bound_location(self, location):
1274
"""Set the target where this branch is bound to.
1275
1276
:param location: URL to the target branch
1277
"""
1278
if location:
1279
self.control_files.put_utf8('bound', location+'\n')
1280
else:
1281
try:
1282
self.control_files._transport.delete('bound')
1283
except NoSuchFile:
1284
return False
1285
return True
1286
1287
@needs_write_lock
1288
def bind(self, other):
1289
"""Bind the local branch the other branch.
1290
1291
:param other: The branch to bind to
1292
:type other: Branch
1293
"""
1294
# TODO: jam 20051230 Consider checking if the target is bound
1295
# It is debatable whether you should be able to bind to
1296
# a branch which is itself bound.
1297
# Committing is obviously forbidden,
1298
# but binding itself may not be.
1299
# Since we *have* to check at commit time, we don't
1300
# *need* to check here
1301
self.pull(other)
1302
1303
# we are now equal to or a suffix of other.
1304
1305
# Since we have 'pulled' from the remote location,
1306
# now we should try to pull in the opposite direction
1307
# in case the local tree has more revisions than the
1308
# remote one.
1309
# There may be a different check you could do here
1310
# rather than actually trying to install revisions remotely.
1311
# TODO: capture an exception which indicates the remote branch
1312
# is not writable.
1313
# If it is up-to-date, this probably should not be a failure
1314
1315
# lock other for write so the revision-history syncing cannot race
1316
other.lock_write()
1317
try:
1318
other.pull(self)
1319
# if this does not error, other now has the same last rev we do
1320
# it can only error if the pull from other was concurrent with
1321
# a commit to other from someone else.
1322
1323
# until we ditch revision-history, we need to sync them up:
1324
self.set_revision_history(other.revision_history())
1325
# now other and self are up to date with each other and have the
1326
# same revision-history.
1327
finally:
1328
other.unlock()
1329
1330
self.set_bound_location(other.base)
1331
1332
@needs_write_lock
1333
def unbind(self):
1334
"""If bound, unbind"""
1335
return self.set_bound_location(None)
1336
1337
@needs_write_lock
1338
def update(self):
1339
"""Synchronise this branch with the master branch if any.
1340
1341
:return: None or the last_revision that was pivoted out during the
1342
update.
1343
"""
1344
master = self.get_master_branch()
1345
if master is not None:
1346
old_tip = self.last_revision()
1347
self.pull(master, overwrite=True)
1348
if old_tip in self.repository.get_ancestry(self.last_revision()):
1349
return None
1350
return old_tip
1351
return None
1352
1353
1354
class BranchTestProviderAdapter(object):
1355
"""A tool to generate a suite testing multiple branch formats at once.
1356
1357
This is done by copying the test once for each transport and injecting
1358
the transport_server, transport_readonly_server, and branch_format
1359
classes into each copy. Each copy is also given a new id() to make it
1360
easy to identify.
1361
"""
1362
1363
def __init__(self, transport_server, transport_readonly_server, formats):
1364
self._transport_server = transport_server
1365
self._transport_readonly_server = transport_readonly_server
1366
self._formats = formats
1335
1367
1368
def adapt(self, test):
1369
result = TestSuite()
1370
for branch_format, bzrdir_format in self._formats:
1371
new_test = deepcopy(test)
1372
new_test.transport_server = self._transport_server
1373
new_test.transport_readonly_server = self._transport_readonly_server
1374
new_test.bzrdir_format = bzrdir_format
1375
new_test.branch_format = branch_format
1376
def make_new_test_id():
1377
new_id = "%s(%s)" % (new_test.id(), branch_format.__class__.__name__)
1378
return lambda: new_id
1379
new_test.id = make_new_test_id()
1380
result.addTest(new_test)
1381
return result
1382
1383
1384
class BranchCheckResult(object):
1385
"""Results of checking branch consistency.
1386
1387
:see: Branch.check
1388
"""
1389
1390
def __init__(self, branch):
1391
self.branch = branch
1392
1393
def report_results(self, verbose):
1394
"""Report the check results via trace.note.
1395
1396
:param verbose: Requests more detailed display of what was checked,
1397
if any.
1398
"""
1399
note('checked branch %s format %s',
1400
self.branch.base,
1401
self.branch._format)
1402
1336
1403
1337
1404
######################################################################
1338
1405
# predicates
1339
1406
1340
1407
1341
def is_control_file(filename):
1342
## FIXME: better check
1343
filename = os.path.normpath(filename)
1344
while filename != '':
1345
head, tail = os.path.split(filename)
1346
## mutter('check %r for control file' % ((head, tail), ))
1347
if tail == bzrlib.BZRDIR:
1348
return True
1349
if filename == head:
1350
break
1351
filename = head
1352
return False
1353
1354
1355
1356
def gen_file_id(name):
1357
"""Return new file id.
1358
1359
This should probably generate proper UUIDs, but for the moment we
1360
cope with just randomness because running uuidgen every time is
1361
slow."""
1362
import re
1363
from binascii import hexlify
1364
from time import time
1365
1366
# get last component
1367
idx = name.rfind('/')
1368
if idx != -1:
1369
name = name[idx+1 : ]
1370
idx = name.rfind('\\')
1371
if idx != -1:
1372
name = name[idx+1 : ]
1373
1374
# make it not a hidden file
1375
name = name.lstrip('.')
1376
1377
# remove any wierd characters; we don't escape them but rather
1378
# just pull them out
1379
name = re.sub(r'[^\w.]', '', name)
1380
1381
s = hexlify(rand_bytes(8))
1382
return '-'.join((name, compact_date(time()), s))
1383
1384
1385
def gen_root_id():
1386
"""Return a new tree-root file id."""
1387
return gen_file_id('TREE_ROOT')
1388
1408
@deprecated_function(zero_eight)
1409
def is_control_file(*args, **kwargs):
1410
"""See bzrlib.workingtree.is_control_file."""
1411
return bzrlib.workingtree.is_control_file(*args, **kwargs)
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0