« back to all changes in this revision
Viewing changes to bzrlib/branch.py
- browse files at revision 1534.7.150
- compare with another revision
- download diff
- download tarball
- view history from revision 1534.7.150
- Committer: Aaron Bentley
- Date: 2006-02-10 20:18:42 UTC
- mto: (1558.1.4 Aaron's integration) (1534.9.2 Transactional Tree Transforms) (1185.50.82 bzr-jam-integration) (2027.1.2 revert-subpath-56549)
- mto: This revision was merged to the branch mainline in revision 1558.
- Revision ID: abentley@panoramicfeedback.com-20060210201842-cd2cec177a6fa1ee
Handled simultaneous renames of parent and child better
- files added:
- BRANCH.TODO
- bzrlib/doc
- bzrlib/doc/api
- bzrlib/export
- bzrlib/store
- bzrlib/tests/blackbox
- bzrlib/tests/branch_implementations
- bzrlib/transport
- bzrlib/ui
- bzrlib/util/configobj
- bzrlib/util/configobj/docs
- tools/doc_generate
- trash
- files removed:
- bzrlib/mdiff.py
- files renamed:
- bzrlib/store.py => bzrlib/store/__init__.py
- bzrlib/weavestore.py => bzrlib/store/weave.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/testfetch.py => bzrlib/tests/test_fetch.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
- bzrlib/selftest/teststore.py => bzrlib/tests/test_store.py
- tools/testweave.py => bzrlib/tests/test_weave.py
- bzrlib/selftest/whitebox.py => bzrlib/tests/test_whitebox.py
- bzrlib/ui.py => bzrlib/ui/__init__.py
- tools/history2weaves.py => bzrlib/upgrade.py
- bzrlib/xml.py => bzrlib/xml_serializer.py
- bzr-man.py => tools/doc_generate/autodoc_man.py
- bzrlib/changeset.py => trash/_changeset.py
- bzrlib/merge_core.py => trash/_merge_core.py
- files modified:
- .bzrignore
- bzr *
- setup.py *
added
removed
bzrlib/branch.py
15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
16
17
17
18
from copy import deepcopy
19
from cStringIO import StringIO
20
import errno
21
import os
22
import shutil
18
23
import sys
19
import os
24
from unittest import TestSuite
25
from warnings import warn
26
try:
27
import xml.sax.saxutils
28
except ImportError:
29
raise ImportError("We were unable to import 'xml.sax.saxutils',"
30
" most likely you have an xml.pyc or xml.pyo file"
31
" lying around in your bzrlib directory."
32
" Please remove it.")
33
from cStringIO import StringIO
34
20
35
21
36
import bzrlib
22
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
37
from bzrlib.config import TreeConfig
38
from bzrlib.decorators import needs_read_lock, needs_write_lock
39
from bzrlib.delta import compare_trees
40
import bzrlib.errors as errors
27
41
from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
28
NoSuchRevision)
42
NoSuchRevision, HistoryMissing, NotBranchError,
43
DivergedBranches, LockError,
44
UninitializableFormat,
45
UnlistableStore,
46
UnlistableBranch, NoSuchFile, NotVersionedError,
47
NoWorkingTree)
48
import bzrlib.inventory as inventory
49
from bzrlib.inventory import Inventory
50
from bzrlib.lockable_files import LockableFiles
51
from bzrlib.osutils import (isdir, quotefn,
52
rename, splitpath, sha_file,
53
file_kind, abspath, normpath, pathjoin,
54
safe_unicode,
55
)
29
56
from bzrlib.textui import show_status
30
from bzrlib.revision import Revision
31
from bzrlib.delta import compare_trees
32
from bzrlib.tree import EmptyTree, RevisionTree
33
from bzrlib.inventory import Inventory
34
from bzrlib.weavestore import WeaveStore
57
from bzrlib.trace import mutter, note
58
from bzrlib.tree import EmptyTree, RevisionTree
59
from bzrlib.repository import Repository
60
from bzrlib.revision import (Revision, is_ancestor, get_intervening_revisions)
61
from bzrlib.store import copy_all
62
from bzrlib.symbol_versioning import *
63
import bzrlib.transactions as transactions
64
from bzrlib.transport import Transport, get_transport
65
from bzrlib.tree import EmptyTree, RevisionTree
66
import bzrlib.ui
35
67
import bzrlib.xml5
36
import bzrlib.ui
37
38
68
39
69
40
70
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
41
71
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
42
## TODO: Maybe include checks for common corruption of newlines, etc?
43
72
BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
73
74
75
# TODO: Maybe include checks for common corruption of newlines, etc?
44
76
45
77
# TODO: Some operations like log might retrieve the same revisions
46
78
# repeatedly to calculate deltas. We could perhaps have a weakref
47
# cache in memory to make this faster.
48
49
# TODO: please move the revision-string syntax stuff out of the branch
50
# object; it's clutter
51
52
53
def find_branch(f, **args):
54
if f and (f.startswith('http://') or f.startswith('https://')):
55
import remotebranch
56
return remotebranch.RemoteBranch(f, **args)
57
else:
58
return Branch(f, **args)
59
60
61
def find_cached_branch(f, cache_root, **args):
62
from remotebranch import RemoteBranch
63
br = find_branch(f, **args)
64
def cacheify(br, store_name):
65
from meta_store import CachedStore
66
cache_path = os.path.join(cache_root, store_name)
67
os.mkdir(cache_path)
68
new_store = CachedStore(getattr(br, store_name), cache_path)
69
setattr(br, store_name, new_store)
70
71
if isinstance(br, RemoteBranch):
72
cacheify(br, 'inventory_store')
73
cacheify(br, 'text_store')
74
cacheify(br, 'revision_store')
75
return br
76
77
78
def _relpath(base, path):
79
"""Return path relative to base, or raise exception.
80
81
The path may be either an absolute path or a path relative to the
82
current working directory.
83
84
Lifted out of Branch.relpath for ease of testing.
85
86
os.path.commonprefix (python2.4) has a bad bug that it works just
87
on string prefixes, assuming that '/u' is a prefix of '/u2'. This
88
avoids that problem."""
89
rp = os.path.abspath(path)
90
91
s = []
92
head = rp
93
while len(head) >= len(base):
94
if head == base:
95
break
96
head, tail = os.path.split(head)
97
if tail:
98
s.insert(0, tail)
99
else:
100
from errors import NotBranchError
101
raise NotBranchError("path %r is not within branch %r" % (rp, base))
102
103
return os.sep.join(s)
104
105
106
def find_branch_root(f=None):
107
"""Find the branch root enclosing f, or pwd.
108
109
f may be a filename or a URL.
110
111
It is not necessary that f exists.
112
113
Basically we keep looking up until we find the control directory or
114
run into the root. If there isn't one, raises NotBranchError.
115
"""
116
if f == None:
117
f = os.getcwd()
118
elif hasattr(os.path, 'realpath'):
119
f = os.path.realpath(f)
120
else:
121
f = os.path.abspath(f)
122
if not os.path.exists(f):
123
raise BzrError('%r does not exist' % f)
124
125
126
orig_f = f
127
128
while True:
129
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
130
return f
131
head, tail = os.path.split(f)
132
if head == f:
133
# reached the root, whatever that may be
134
raise bzrlib.errors.NotBranchError('%s is not in a branch' % orig_f)
135
f = head
136
137
138
139
# XXX: move into bzrlib.errors; subclass BzrError
140
class DivergedBranches(Exception):
141
def __init__(self, branch1, branch2):
142
self.branch1 = branch1
143
self.branch2 = branch2
144
Exception.__init__(self, "These branches have diverged.")
79
# cache in memory to make this faster. In general anything can be
80
# cached in memory between lock and unlock operations. .. nb thats
81
# what the transaction identity map provides
145
82
146
83
147
84
######################################################################
151
88
"""Branch holding a history of revisions.
152
89
153
90
base
154
Base directory of the branch.
155
156
_lock_mode
157
None, or 'r' or 'w'
158
159
_lock_count
160
If _lock_mode is true, a positive count of the number of times the
161
lock has been taken.
162
163
_lock
164
Lock object from bzrlib.lock.
91
Base directory/url of the branch.
165
92
"""
93
# this is really an instance variable - FIXME move it there
94
# - RBC 20060112
166
95
base = None
167
_lock_mode = None
168
_lock_count = None
169
_lock = None
170
171
# Map some sort of prefix into a namespace
172
# stuff like "revno:10", "revid:", etc.
173
# This should match a prefix with a function which accepts
174
REVISION_NAMESPACES = {}
175
176
def __init__(self, base, init=False, find_root=True):
177
"""Create new branch object at a particular location.
178
179
base -- Base directory for the branch.
180
181
init -- If True, create new control files in a previously
182
unversioned directory. If False, the branch must already
183
be versioned.
184
185
find_root -- If true and init is false, find the root of the
186
existing branch containing base.
187
188
In the test suite, creation of new trees is tested using the
189
`ScratchBranch` class.
190
"""
191
from bzrlib.store import ImmutableStore
192
if init:
193
self.base = os.path.realpath(base)
194
self._make_control()
195
elif find_root:
196
self.base = find_branch_root(base)
197
else:
198
self.base = os.path.realpath(base)
199
if not isdir(self.controlfilename('.')):
200
from errors import NotBranchError
201
raise NotBranchError("not a bzr branch: %s" % quotefn(base),
202
['use "bzr init" to initialize a new working tree',
203
'current bzr can only operate from top-of-tree'])
204
self._check_format()
205
206
self.weave_store = WeaveStore(self.controlfilename('weaves'))
207
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
208
self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
209
210
211
def __str__(self):
212
return '%s(%r)' % (self.__class__.__name__, self.base)
213
214
215
__repr__ = __str__
216
217
218
def __del__(self):
219
if self._lock_mode or self._lock:
220
from warnings import warn
221
warn("branch %r was not explicitly unlocked" % self)
222
self._lock.unlock()
223
96
97
_default_initializer = None
98
"""The default initializer for making new branches."""
99
100
def __init__(self, *ignored, **ignored_too):
101
raise NotImplementedError('The Branch class is abstract')
102
103
@staticmethod
104
def open_downlevel(base):
105
"""Open a branch which may be of an old format."""
106
return Branch.open(base, _unsupported=True)
107
108
@staticmethod
109
def open(base, _unsupported=False):
110
"""Open an existing branch, rooted at 'base' (url)
111
112
_unsupported is a private parameter to the Branch class.
113
"""
114
t = get_transport(base)
115
mutter("trying to open %r with transport %r", base, t)
116
format = BzrBranchFormat.find_format(t)
117
if not _unsupported and not format.is_supported():
118
# see open_downlevel to open legacy branches.
119
raise errors.UnsupportedFormatError(
120
'sorry, branch format %s not supported' % format,
121
['use a different bzr version',
122
'or remove the .bzr directory'
123
' and "bzr init" again'])
124
return format.open(t)
125
126
@staticmethod
127
def open_containing(url):
128
"""Open an existing branch which contains url.
129
130
This probes for a branch at url, and searches upwards from there.
131
132
Basically we keep looking up until we find the control directory or
133
run into the root. If there isn't one, raises NotBranchError.
134
If there is one and it is either an unrecognised format or an unsupported
135
format, UnknownFormatError or UnsupportedFormatError are raised.
136
If there is one, it is returned, along with the unused portion of url.
137
"""
138
t = get_transport(url)
139
# this gets the normalised url back. I.e. '.' -> the full path.
140
url = t.base
141
while True:
142
try:
143
format = BzrBranchFormat.find_format(t)
144
return format.open(t), t.relpath(url)
145
except NotBranchError, e:
146
mutter('not a branch in: %r %s', t.base, e)
147
new_t = t.clone('..')
148
if new_t.base == t.base:
149
# reached the root, whatever that may be
150
raise NotBranchError(path=url)
151
t = new_t
152
153
@staticmethod
154
def create(base):
155
"""Create a new Branch at the url 'bzr'.
156
157
This will call the current default initializer with base
158
as the only parameter.
159
"""
160
return Branch._default_initializer(safe_unicode(base))
161
162
@staticmethod
163
@deprecated_function(zero_eight)
164
def initialize(base):
165
"""Create a new working tree and branch, rooted at 'base' (url)
166
167
NOTE: This will soon be deprecated in favour of creation
168
through a BzrDir.
169
"""
170
# imported here to prevent scope creep as this is going.
171
from bzrlib.workingtree import WorkingTree
172
return WorkingTree.create_standalone(safe_unicode(base)).branch
173
174
@staticmethod
175
def get_default_initializer():
176
"""Return the initializer being used for new branches."""
177
return Branch._default_initializer
178
179
@staticmethod
180
def set_default_initializer(initializer):
181
"""Set the initializer to be used for new branches."""
182
Branch._default_initializer = staticmethod(initializer)
183
184
def setup_caching(self, cache_root):
185
"""Subclasses that care about caching should override this, and set
186
up cached stores located under cache_root.
187
"""
188
# seems to be unused, 2006-01-13 mbp
189
warn('%s is deprecated' % self.setup_caching)
190
self.cache_root = cache_root
191
192
def _get_nick(self):
193
cfg = self.tree_config()
194
return cfg.get_option(u"nickname", default=self.base.split('/')[-2])
195
196
def _set_nick(self, nick):
197
cfg = self.tree_config()
198
cfg.set_option(nick, "nickname")
199
assert cfg.get_option("nickname") == nick
200
201
nick = property(_get_nick, _set_nick)
202
203
def push_stores(self, branch_to):
204
"""Copy the content of this branches store to branch_to."""
205
raise NotImplementedError('push_stores is abstract')
224
206
225
207
def lock_write(self):
226
if self._lock_mode:
227
if self._lock_mode != 'w':
228
from errors import LockError
229
raise LockError("can't upgrade to a write lock from %r" %
230
self._lock_mode)
231
self._lock_count += 1
232
else:
233
from bzrlib.lock import WriteLock
234
235
self._lock = WriteLock(self.controlfilename('branch-lock'))
236
self._lock_mode = 'w'
237
self._lock_count = 1
238
239
208
raise NotImplementedError('lock_write is abstract')
209
240
210
def lock_read(self):
241
if self._lock_mode:
242
assert self._lock_mode in ('r', 'w'), \
243
"invalid lock mode %r" % self._lock_mode
244
self._lock_count += 1
245
else:
246
from bzrlib.lock import ReadLock
211
raise NotImplementedError('lock_read is abstract')
247
212
248
self._lock = ReadLock(self.controlfilename('branch-lock'))
249
self._lock_mode = 'r'
250
self._lock_count = 1
251
252
213
def unlock(self):
253
if not self._lock_mode:
254
from errors import LockError
255
raise LockError('branch %r is not locked' % (self))
214
raise NotImplementedError('unlock is abstract')
256
215
257
if self._lock_count > 1:
258
self._lock_count -= 1
259
else:
260
self._lock.unlock()
261
self._lock = None
262
self._lock_mode = self._lock_count = None
216
def peek_lock_mode(self):
217
"""Return lock mode for the Branch: 'r', 'w' or None"""
218
raise NotImplementedError(self.peek_lock_mode)
263
219
264
220
def abspath(self, name):
265
"""Return absolute filename for something in the branch"""
266
return os.path.join(self.base, name)
267
268
def relpath(self, path):
269
"""Return path relative to this branch of something inside it.
270
271
Raises an error if path is not in this branch."""
272
return _relpath(self.base, path)
273
274
def controlfilename(self, file_or_path):
275
"""Return location relative to branch."""
276
if isinstance(file_or_path, basestring):
277
file_or_path = [file_or_path]
278
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
279
280
281
def controlfile(self, file_or_path, mode='r'):
282
"""Open a control file for this branch.
283
284
There are two classes of file in the control directory: text
285
and binary. binary files are untranslated byte streams. Text
286
control files are stored with Unix newlines and in UTF-8, even
287
if the platform or locale defaults are different.
288
289
Controlfiles should almost never be opened in write mode but
290
rather should be atomically copied and replaced using atomicfile.
291
"""
292
293
fn = self.controlfilename(file_or_path)
294
295
if mode == 'rb' or mode == 'wb':
296
return file(fn, mode)
297
elif mode == 'r' or mode == 'w':
298
# open in binary mode anyhow so there's no newline translation;
299
# codecs uses line buffering by default; don't want that.
300
import codecs
301
return codecs.open(fn, mode + 'b', 'utf-8',
302
buffering=60000)
303
else:
304
raise BzrError("invalid controlfile mode %r" % mode)
305
306
def _make_control(self):
307
os.mkdir(self.controlfilename([]))
308
self.controlfile('README', 'w').write(
309
"This is a Bazaar-NG control directory.\n"
310
"Do not change any files in this directory.\n")
311
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT_5)
312
for d in ('text-store', 'inventory-store', 'revision-store',
313
'weaves'):
314
os.mkdir(self.controlfilename(d))
315
for f in ('revision-history', 'merged-patches',
316
'pending-merged-patches', 'branch-name',
317
'branch-lock',
318
'pending-merges'):
319
self.controlfile(f, 'w').write('')
320
mutter('created control directory in ' + self.base)
321
322
# if we want per-tree root ids then this is the place to set
323
# them; they're not needed for now and so ommitted for
324
# simplicity.
325
f = self.controlfile('inventory','w')
326
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), f)
327
328
329
def _check_format(self):
330
"""Check this branch format is supported.
331
332
The format level is stored, as an integer, in
333
self._branch_format for code that needs to check it later.
334
335
In the future, we might need different in-memory Branch
336
classes to support downlevel branches. But not yet.
337
"""
338
fmt = self.controlfile('branch-format', 'r').read()
339
if fmt == BZR_BRANCH_FORMAT_5:
340
self._branch_format = 5
341
else:
342
raise BzrError('sorry, branch format "%s" not supported; '
343
'use a different bzr version, '
344
'or run "bzr upgrade", '
345
'or remove the .bzr directory and "bzr init" again'
346
% fmt.rstrip('\n\r'))
221
"""Return absolute filename for something in the branch
222
223
XXX: Robert Collins 20051017 what is this used for? why is it a branch
224
method and not a tree method.
225
"""
226
raise NotImplementedError('abspath is abstract')
347
227
348
228
def get_root_id(self):
349
229
"""Return the id of this branches root"""
350
inv = self.read_working_inventory()
351
return inv.root.file_id
352
353
def set_root_id(self, file_id):
354
inv = self.read_working_inventory()
355
orig_root_id = inv.root.file_id
356
del inv._byid[inv.root.file_id]
357
inv.root.file_id = file_id
358
inv._byid[inv.root.file_id] = inv.root
359
for fid in inv:
360
entry = inv[fid]
361
if entry.parent_id in (None, orig_root_id):
362
entry.parent_id = inv.root.file_id
363
self._write_inventory(inv)
364
365
def read_working_inventory(self):
366
"""Read the working inventory."""
367
self.lock_read()
368
try:
369
# ElementTree does its own conversion from UTF-8, so open in
370
# binary.
371
f = self.controlfile('inventory', 'rb')
372
return bzrlib.xml5.serializer_v5.read_inventory(f)
373
finally:
374
self.unlock()
375
376
377
def _write_inventory(self, inv):
378
"""Update the working inventory.
379
380
That is to say, the inventory describing changes underway, that
381
will be committed to the next revision.
382
"""
383
from bzrlib.atomicfile import AtomicFile
384
385
self.lock_write()
386
try:
387
f = AtomicFile(self.controlfilename('inventory'), 'wb')
388
try:
389
bzrlib.xml5.serializer_v5.write_inventory(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, ids=None):
404
"""Make files versioned.
405
406
Note that the command line normally calls smart_add instead,
407
which can automatically recurse.
408
409
This puts the files in the Added state, so that they will be
410
recorded by the next commit.
411
412
files
413
List of paths to add, relative to the base of the tree.
414
415
ids
416
If set, use these instead of automatically generated ids.
417
Must be the same length as the list of files, but may
418
contain None for ids that are to be autogenerated.
419
420
TODO: Perhaps have an option to add the ids even if the files do
421
not (yet) exist.
422
423
TODO: Perhaps yield the ids and paths as they're added.
424
"""
425
# TODO: Re-adding a file that is removed in the working copy
426
# should probably put it back with the previous ID.
427
if isinstance(files, basestring):
428
assert(ids is None or isinstance(ids, basestring))
429
files = [files]
430
if ids is not None:
431
ids = [ids]
432
433
if ids is None:
434
ids = [None] * len(files)
435
else:
436
assert(len(ids) == len(files))
437
438
self.lock_write()
439
try:
440
inv = self.read_working_inventory()
441
for f,file_id in zip(files, ids):
442
if is_control_file(f):
443
raise BzrError("cannot add control file %s" % quotefn(f))
444
445
fp = splitpath(f)
446
447
if len(fp) == 0:
448
raise BzrError("cannot add top-level %r" % f)
449
450
fullpath = os.path.normpath(self.abspath(f))
451
452
try:
453
kind = file_kind(fullpath)
454
except OSError:
455
# maybe something better?
456
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
457
458
if kind != 'file' and kind != 'directory':
459
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
460
461
if file_id is None:
462
file_id = gen_file_id(f)
463
inv.add_path(f, kind=kind, file_id=file_id)
464
465
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
466
467
self._write_inventory(inv)
468
finally:
469
self.unlock()
470
471
472
def print_file(self, file, revno):
230
raise NotImplementedError('get_root_id is abstract')
231
232
def print_file(self, file, revision_id):
473
233
"""Print `file` to stdout."""
474
self.lock_read()
475
try:
476
tree = self.revision_tree(self.lookup_revision(revno))
477
# use inventory as it was in that revision
478
file_id = tree.inventory.path2id(file)
479
if not file_id:
480
raise BzrError("%r is not present in revision %s" % (file, revno))
481
tree.print_file(file_id)
482
finally:
483
self.unlock()
484
485
486
def remove(self, files, verbose=False):
487
"""Mark nominated files for removal from the inventory.
488
489
This does not remove their text. This does not run on
490
491
TODO: Refuse to remove modified files unless --force is given?
492
493
TODO: Do something useful with directories.
494
495
TODO: Should this remove the text or not? Tough call; not
496
removing may be useful and the user can just use use rm, and
497
is the opposite of add. Removing it is consistent with most
498
other tools. Maybe an option.
499
"""
500
## TODO: Normalize names
501
## TODO: Remove nested loops; better scalability
502
if isinstance(files, basestring):
503
files = [files]
504
505
self.lock_write()
506
507
try:
508
tree = self.working_tree()
509
inv = tree.inventory
510
511
# do this before any modifications
512
for f in files:
513
fid = inv.path2id(f)
514
if not fid:
515
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
516
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
517
if verbose:
518
# having remove it, it must be either ignored or unknown
519
if tree.is_ignored(f):
520
new_status = 'I'
521
else:
522
new_status = '?'
523
show_status(new_status, inv[fid].kind, quotefn(f))
524
del inv[fid]
525
526
self._write_inventory(inv)
527
finally:
528
self.unlock()
529
530
531
# FIXME: this doesn't need to be a branch method
532
def set_inventory(self, new_inventory_list):
533
from bzrlib.inventory import Inventory, InventoryEntry
534
inv = Inventory(self.get_root_id())
535
for path, file_id, parent, kind in new_inventory_list:
536
name = os.path.basename(path)
537
if name == "":
538
continue
539
inv.add(InventoryEntry(file_id, name, kind, parent))
540
self._write_inventory(inv)
541
542
543
def unknowns(self):
544
"""Return all unknown files.
545
546
These are files in the working directory that are not versioned or
547
control files or ignored.
548
549
>>> b = ScratchBranch(files=['foo', 'foo~'])
550
>>> list(b.unknowns())
551
['foo']
552
>>> b.add('foo')
553
>>> list(b.unknowns())
554
[]
555
>>> b.remove('foo')
556
>>> list(b.unknowns())
557
['foo']
558
"""
559
return self.working_tree().unknowns()
560
234
raise NotImplementedError('print_file is abstract')
561
235
562
236
def append_revision(self, *revision_ids):
563
from bzrlib.atomicfile import AtomicFile
564
565
for revision_id in revision_ids:
566
mutter("add {%s} to revision-history" % revision_id)
567
568
rev_history = self.revision_history()
569
rev_history.extend(revision_ids)
570
571
f = AtomicFile(self.controlfilename('revision-history'))
572
try:
573
for rev_id in rev_history:
574
print >>f, rev_id
575
f.commit()
576
finally:
577
f.close()
578
579
580
def get_revision_xml_file(self, revision_id):
581
"""Return XML file object for revision object."""
582
if not revision_id or not isinstance(revision_id, basestring):
583
raise InvalidRevisionId(revision_id)
584
585
self.lock_read()
586
try:
587
try:
588
return self.revision_store[revision_id]
589
except IndexError:
590
raise bzrlib.errors.NoSuchRevision(self, revision_id)
591
finally:
592
self.unlock()
593
594
595
#deprecated
596
get_revision_xml = get_revision_xml_file
597
598
599
def get_revision(self, revision_id):
600
"""Return the Revision object for a named revision"""
601
xml_file = self.get_revision_xml_file(revision_id)
602
603
try:
604
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
605
except SyntaxError, e:
606
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
607
[revision_id,
608
str(e)])
609
610
assert r.revision_id == revision_id
611
return r
612
613
614
def get_revision_delta(self, revno):
615
"""Return the delta for one revision.
616
617
The delta is relative to its mainline predecessor, or the
618
empty tree for revision 1.
619
"""
620
assert isinstance(revno, int)
621
rh = self.revision_history()
622
if not (1 <= revno <= len(rh)):
623
raise InvalidRevisionNumber(revno)
624
625
# revno is 1-based; list is 0-based
626
627
new_tree = self.revision_tree(rh[revno-1])
628
if revno == 1:
629
old_tree = EmptyTree()
630
else:
631
old_tree = self.revision_tree(rh[revno-2])
632
633
return compare_trees(old_tree, new_tree)
634
635
636
637
def get_revision_sha1(self, revision_id):
638
"""Hash the stored value of a revision, and return it."""
639
# In the future, revision entries will be signed. At that
640
# point, it is probably best *not* to include the signature
641
# in the revision hash. Because that lets you re-sign
642
# the revision, (add signatures/remove signatures) and still
643
# have all hash pointers stay consistent.
644
# But for now, just hash the contents.
645
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
646
647
648
def get_inventory(self, revision_id):
649
"""Get Inventory object by hash.
650
651
TODO: Perhaps for this and similar methods, take a revision
652
parameter which can be either an integer revno or a
653
string hash."""
654
f = self.get_inventory_xml_file(revision_id)
655
return bzrlib.xml5.serializer_v5.read_inventory(f)
656
657
658
def get_inventory_xml(self, revision_id):
659
"""Get inventory XML as a file object."""
660
try:
661
assert isinstance(revision_id, basestring), type(revision_id)
662
return self.inventory_store[revision_id]
663
except IndexError:
664
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
665
666
get_inventory_xml_file = get_inventory_xml
667
668
669
def get_inventory_sha1(self, revision_id):
670
"""Return the sha1 hash of the inventory entry
671
"""
672
return sha_file(self.get_inventory_xml_file(revision_id))
673
674
675
def get_revision_inventory(self, revision_id):
676
"""Return inventory of a past revision."""
677
# bzr 0.0.6 imposes the constraint that the inventory_id
678
# must be the same as its revision, so this is trivial.
679
if revision_id == None:
680
return Inventory(self.get_root_id())
681
else:
682
return self.get_inventory(revision_id)
683
237
raise NotImplementedError('append_revision is abstract')
238
239
def set_revision_history(self, rev_history):
240
raise NotImplementedError('set_revision_history is abstract')
684
241
685
242
def revision_history(self):
686
"""Return sequence of revision hashes on to this branch.
687
688
>>> ScratchBranch().revision_history()
689
[]
690
"""
691
self.lock_read()
692
try:
693
return [l.rstrip('\r\n') for l in
694
self.controlfile('revision-history', 'r').readlines()]
695
finally:
696
self.unlock()
697
698
699
def common_ancestor(self, other, self_revno=None, other_revno=None):
700
"""
701
>>> import commit
702
>>> sb = ScratchBranch(files=['foo', 'foo~'])
703
>>> sb.common_ancestor(sb) == (None, None)
704
True
705
>>> commit.commit(sb, "Committing first revision", verbose=False)
706
>>> sb.common_ancestor(sb)[0]
707
1
708
>>> clone = sb.clone()
709
>>> commit.commit(sb, "Committing second revision", verbose=False)
710
>>> sb.common_ancestor(sb)[0]
711
2
712
>>> sb.common_ancestor(clone)[0]
713
1
714
>>> commit.commit(clone, "Committing divergent second revision",
715
... verbose=False)
716
>>> sb.common_ancestor(clone)[0]
717
1
718
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
719
True
720
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
721
True
722
>>> clone2 = sb.clone()
723
>>> sb.common_ancestor(clone2)[0]
724
2
725
>>> sb.common_ancestor(clone2, self_revno=1)[0]
726
1
727
>>> sb.common_ancestor(clone2, other_revno=1)[0]
728
1
729
"""
730
my_history = self.revision_history()
731
other_history = other.revision_history()
732
if self_revno is None:
733
self_revno = len(my_history)
734
if other_revno is None:
735
other_revno = len(other_history)
736
indices = range(min((self_revno, other_revno)))
737
indices.reverse()
738
for r in indices:
739
if my_history[r] == other_history[r]:
740
return r+1, my_history[r]
741
return None, None
742
243
"""Return sequence of revision hashes on to this branch."""
244
raise NotImplementedError('revision_history is abstract')
743
245
744
246
def revno(self):
745
247
"""Return current revision number for this branch.
749
251
"""
750
252
return len(self.revision_history())
751
253
752
753
def last_patch(self):
754
"""Return last patch hash, or None if no history.
755
"""
254
def last_revision(self):
255
"""Return last patch hash, or None if no history."""
756
256
ph = self.revision_history()
757
257
if ph:
758
258
return ph[-1]
759
259
else:
760
260
return None
761
261
762
763
262
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
764
"""
263
"""Return a list of new revisions that would perfectly fit.
264
765
265
If self and other have not diverged, return a list of the revisions
766
266
present in other, but missing from self.
767
267
768
>>> from bzrlib.commit import commit
769
268
>>> bzrlib.trace.silent = True
770
269
>>> br1 = ScratchBranch()
771
270
>>> br2 = ScratchBranch()
772
271
>>> br1.missing_revisions(br2)
773
272
[]
774
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
273
>>> br2.working_tree().commit("lala!", rev_id="REVISION-ID-1")
775
274
>>> br1.missing_revisions(br2)
776
275
[u'REVISION-ID-1']
777
276
>>> br2.missing_revisions(br1)
778
277
[]
779
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
278
>>> br1.working_tree().commit("lala!", rev_id="REVISION-ID-1")
780
279
>>> br1.missing_revisions(br2)
781
280
[]
782
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
281
>>> br2.working_tree().commit("lala!", rev_id="REVISION-ID-2A")
783
282
>>> br1.missing_revisions(br2)
784
283
[u'REVISION-ID-2A']
785
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
284
>>> br1.working_tree().commit("lala!", rev_id="REVISION-ID-2B")
786
285
>>> br1.missing_revisions(br2)
787
286
Traceback (most recent call last):
788
DivergedBranches: These branches have diverged.
287
DivergedBranches: These branches have diverged. Try merge.
789
288
"""
790
289
self_history = self.revision_history()
791
290
self_len = len(self_history)
798
297
799
298
if stop_revision is None:
800
299
stop_revision = other_len
801
elif stop_revision > other_len:
802
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
803
300
else:
301
assert isinstance(stop_revision, int)
302
if stop_revision > other_len:
303
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
804
304
return other_history[self_len:stop_revision]
805
305
806
807
306
def update_revisions(self, other, stop_revision=None):
808
"""Pull in all new revisions from other branch.
809
"""
810
from bzrlib.fetch import greedy_fetch
811
812
pb = bzrlib.ui.ui_factory.progress_bar()
813
pb.update('comparing histories')
814
815
revision_ids = self.missing_revisions(other, stop_revision)
816
817
if len(revision_ids) > 0:
818
count = greedy_fetch(self, other, revision_ids[-1], pb)[0]
819
else:
820
count = 0
821
self.append_revision(*revision_ids)
822
## note("Added %d revisions." % count)
823
pb.clear()
824
825
def install_revisions(self, other, revision_ids, pb):
826
if hasattr(other.revision_store, "prefetch"):
827
other.revision_store.prefetch(revision_ids)
828
if hasattr(other.inventory_store, "prefetch"):
829
inventory_ids = [other.get_revision(r).inventory_id
830
for r in revision_ids]
831
other.inventory_store.prefetch(inventory_ids)
832
833
if pb is None:
834
pb = bzrlib.ui.ui_factory.progress_bar()
835
836
revisions = []
837
needed_texts = set()
838
i = 0
839
840
failures = set()
841
for i, rev_id in enumerate(revision_ids):
842
pb.update('fetching revision', i+1, len(revision_ids))
843
try:
844
rev = other.get_revision(rev_id)
845
except bzrlib.errors.NoSuchRevision:
846
failures.add(rev_id)
847
continue
848
849
revisions.append(rev)
850
inv = other.get_inventory(str(rev.inventory_id))
851
for key, entry in inv.iter_entries():
852
if entry.text_id is None:
853
continue
854
if entry.text_id not in self.text_store:
855
needed_texts.add(entry.text_id)
856
857
pb.clear()
858
859
count, cp_fail = self.text_store.copy_multi(other.text_store,
860
needed_texts)
861
#print "Added %d texts." % count
862
inventory_ids = [ f.inventory_id for f in revisions ]
863
count, cp_fail = self.inventory_store.copy_multi(other.inventory_store,
864
inventory_ids)
865
#print "Added %d inventories." % count
866
revision_ids = [ f.revision_id for f in revisions]
867
868
count, cp_fail = self.revision_store.copy_multi(other.revision_store,
869
revision_ids,
870
permit_failure=True)
871
assert len(cp_fail) == 0
872
return count, failures
873
874
875
def commit(self, *args, **kw):
876
from bzrlib.commit import Commit
877
Commit().commit(self, *args, **kw)
307
"""Pull in new perfect-fit revisions."""
308
raise NotImplementedError('update_revisions is abstract')
309
310
def pullable_revisions(self, other, stop_revision):
311
raise NotImplementedError('pullable_revisions is abstract')
878
312
879
880
def lookup_revision(self, revision):
881
"""Return the revision identifier for a given revision information."""
882
revno, info = self._get_revision_info(revision)
883
return info
884
885
886
313
def revision_id_to_revno(self, revision_id):
887
314
"""Given a revision id, return its revno"""
315
if revision_id is None:
316
return 0
888
317
history = self.revision_history()
889
318
try:
890
319
return history.index(revision_id) + 1
891
320
except ValueError:
892
321
raise bzrlib.errors.NoSuchRevision(self, revision_id)
893
322
894
895
def get_revision_info(self, revision):
896
"""Return (revno, revision id) for revision identifier.
897
898
revision can be an integer, in which case it is assumed to be revno (though
899
this will translate negative values into positive ones)
900
revision can also be a string, in which case it is parsed for something like
901
'date:' or 'revid:' etc.
902
"""
903
revno, rev_id = self._get_revision_info(revision)
904
if revno is None:
905
raise bzrlib.errors.NoSuchRevision(self, revision)
906
return revno, rev_id
907
908
323
def get_rev_id(self, revno, history=None):
909
324
"""Find the revision id of the specified revno."""
910
325
if revno == 0:
915
330
raise bzrlib.errors.NoSuchRevision(self, revno)
916
331
return history[revno - 1]
917
332
918
def _get_revision_info(self, revision):
919
"""Return (revno, revision id) for revision specifier.
920
921
revision can be an integer, in which case it is assumed to be revno
922
(though this will translate negative values into positive ones)
923
revision can also be a string, in which case it is parsed for something
924
like 'date:' or 'revid:' etc.
925
926
A revid is always returned. If it is None, the specifier referred to
927
the null revision. If the revid does not occur in the revision
928
history, revno will be None.
929
"""
930
931
if revision is None:
932
return 0, None
933
revno = None
934
try:# Convert to int if possible
935
revision = int(revision)
936
except ValueError:
937
pass
938
revs = self.revision_history()
939
if isinstance(revision, int):
940
if revision < 0:
941
revno = len(revs) + revision + 1
942
else:
943
revno = revision
944
rev_id = self.get_rev_id(revno, revs)
945
elif isinstance(revision, basestring):
946
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
947
if revision.startswith(prefix):
948
result = func(self, revs, revision)
949
if len(result) > 1:
950
revno, rev_id = result
951
else:
952
revno = result[0]
953
rev_id = self.get_rev_id(revno, revs)
954
break
955
else:
956
raise BzrError('No namespace registered for string: %r' %
957
revision)
958
else:
959
raise TypeError('Unhandled revision type %s' % revision)
960
961
if revno is None:
962
if rev_id is None:
963
raise bzrlib.errors.NoSuchRevision(self, revision)
964
return revno, rev_id
965
966
def _namespace_revno(self, revs, revision):
967
"""Lookup a revision by revision number"""
968
assert revision.startswith('revno:')
969
try:
970
return (int(revision[6:]),)
971
except ValueError:
972
return None
973
REVISION_NAMESPACES['revno:'] = _namespace_revno
974
975
def _namespace_revid(self, revs, revision):
976
assert revision.startswith('revid:')
977
rev_id = revision[len('revid:'):]
978
try:
979
return revs.index(rev_id) + 1, rev_id
980
except ValueError:
981
return None, rev_id
982
REVISION_NAMESPACES['revid:'] = _namespace_revid
983
984
def _namespace_last(self, revs, revision):
985
assert revision.startswith('last:')
986
try:
987
offset = int(revision[5:])
988
except ValueError:
989
return (None,)
990
else:
991
if offset <= 0:
992
raise BzrError('You must supply a positive value for --revision last:XXX')
993
return (len(revs) - offset + 1,)
994
REVISION_NAMESPACES['last:'] = _namespace_last
995
996
def _namespace_tag(self, revs, revision):
997
assert revision.startswith('tag:')
998
raise BzrError('tag: namespace registered, but not implemented.')
999
REVISION_NAMESPACES['tag:'] = _namespace_tag
1000
1001
def _namespace_date(self, revs, revision):
1002
assert revision.startswith('date:')
1003
import datetime
1004
# Spec for date revisions:
1005
# date:value
1006
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
1007
# it can also start with a '+/-/='. '+' says match the first
1008
# entry after the given date. '-' is match the first entry before the date
1009
# '=' is match the first entry after, but still on the given date.
1010
#
1011
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
1012
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
1013
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
1014
# May 13th, 2005 at 0:00
1015
#
1016
# So the proper way of saying 'give me all entries for today' is:
1017
# -r {date:+today}:{date:-tomorrow}
1018
# The default is '=' when not supplied
1019
val = revision[5:]
1020
match_style = '='
1021
if val[:1] in ('+', '-', '='):
1022
match_style = val[:1]
1023
val = val[1:]
1024
1025
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
1026
if val.lower() == 'yesterday':
1027
dt = today - datetime.timedelta(days=1)
1028
elif val.lower() == 'today':
1029
dt = today
1030
elif val.lower() == 'tomorrow':
1031
dt = today + datetime.timedelta(days=1)
1032
else:
1033
import re
1034
# This should be done outside the function to avoid recompiling it.
1035
_date_re = re.compile(
1036
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1037
r'(,|T)?\s*'
1038
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1039
)
1040
m = _date_re.match(val)
1041
if not m or (not m.group('date') and not m.group('time')):
1042
raise BzrError('Invalid revision date %r' % revision)
1043
1044
if m.group('date'):
1045
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1046
else:
1047
year, month, day = today.year, today.month, today.day
1048
if m.group('time'):
1049
hour = int(m.group('hour'))
1050
minute = int(m.group('minute'))
1051
if m.group('second'):
1052
second = int(m.group('second'))
1053
else:
1054
second = 0
1055
else:
1056
hour, minute, second = 0,0,0
1057
1058
dt = datetime.datetime(year=year, month=month, day=day,
1059
hour=hour, minute=minute, second=second)
1060
first = dt
1061
last = None
1062
reversed = False
1063
if match_style == '-':
1064
reversed = True
1065
elif match_style == '=':
1066
last = dt + datetime.timedelta(days=1)
1067
1068
if reversed:
1069
for i in range(len(revs)-1, -1, -1):
1070
r = self.get_revision(revs[i])
1071
# TODO: Handle timezone.
1072
dt = datetime.datetime.fromtimestamp(r.timestamp)
1073
if first >= dt and (last is None or dt >= last):
1074
return (i+1,)
1075
else:
1076
for i in range(len(revs)):
1077
r = self.get_revision(revs[i])
1078
# TODO: Handle timezone.
1079
dt = datetime.datetime.fromtimestamp(r.timestamp)
1080
if first <= dt and (last is None or dt <= last):
1081
return (i+1,)
1082
REVISION_NAMESPACES['date:'] = _namespace_date
1083
1084
def revision_tree(self, revision_id):
1085
"""Return Tree for a revision on this branch.
1086
1087
`revision_id` may be None for the null revision, in which case
1088
an `EmptyTree` is returned."""
1089
# TODO: refactor this to use an existing revision object
1090
# so we don't need to read it in twice.
1091
if revision_id == None:
1092
return EmptyTree()
1093
else:
1094
inv = self.get_revision_inventory(revision_id)
1095
return RevisionTree(self.weave_store, inv, revision_id)
1096
1097
1098
333
def working_tree(self):
1099
"""Return a `Tree` for the working copy."""
1100
from workingtree import WorkingTree
1101
return WorkingTree(self.base, self.read_working_inventory())
334
"""Return a `Tree` for the working copy if this is a local branch."""
335
raise NotImplementedError('working_tree is abstract')
1102
336
337
def pull(self, source, overwrite=False):
338
raise NotImplementedError('pull is abstract')
1103
339
1104
340
def basis_tree(self):
1105
341
"""Return `Tree` object for last revision.
1106
342
1107
343
If there are no revisions yet, return an `EmptyTree`.
1108
344
"""
1109
return self.revision_tree(self.last_patch())
1110
345
return self.repository.revision_tree(self.last_revision())
1111
346
1112
347
def rename_one(self, from_rel, to_rel):
1113
348
"""Rename one file.
1114
349
1115
350
This can change the directory or the filename or both.
1116
351
"""
1117
self.lock_write()
1118
try:
1119
tree = self.working_tree()
1120
inv = tree.inventory
1121
if not tree.has_filename(from_rel):
1122
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1123
if tree.has_filename(to_rel):
1124
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1125
1126
file_id = inv.path2id(from_rel)
1127
if file_id == None:
1128
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1129
1130
if inv.path2id(to_rel):
1131
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1132
1133
to_dir, to_tail = os.path.split(to_rel)
1134
to_dir_id = inv.path2id(to_dir)
1135
if to_dir_id == None and to_dir != '':
1136
raise BzrError("can't determine destination directory id for %r" % to_dir)
1137
1138
mutter("rename_one:")
1139
mutter(" file_id {%s}" % file_id)
1140
mutter(" from_rel %r" % from_rel)
1141
mutter(" to_rel %r" % to_rel)
1142
mutter(" to_dir %r" % to_dir)
1143
mutter(" to_dir_id {%s}" % to_dir_id)
1144
1145
inv.rename(file_id, to_dir_id, to_tail)
1146
1147
from_abs = self.abspath(from_rel)
1148
to_abs = self.abspath(to_rel)
1149
try:
1150
os.rename(from_abs, to_abs)
1151
except OSError, e:
1152
raise BzrError("failed to rename %r to %r: %s"
1153
% (from_abs, to_abs, e[1]),
1154
["rename rolled back"])
1155
1156
self._write_inventory(inv)
1157
finally:
1158
self.unlock()
1159
352
raise NotImplementedError('rename_one is abstract')
1160
353
1161
354
def move(self, from_paths, to_name):
1162
355
"""Rename files.
1172
365
This returns a list of (from_path, to_path) pairs for each
1173
366
entry that is moved.
1174
367
"""
1175
result = []
1176
self.lock_write()
1177
try:
1178
## TODO: Option to move IDs only
1179
assert not isinstance(from_paths, basestring)
1180
tree = self.working_tree()
1181
inv = tree.inventory
1182
to_abs = self.abspath(to_name)
1183
if not isdir(to_abs):
1184
raise BzrError("destination %r is not a directory" % to_abs)
1185
if not tree.has_filename(to_name):
1186
raise BzrError("destination %r not in working directory" % to_abs)
1187
to_dir_id = inv.path2id(to_name)
1188
if to_dir_id == None and to_name != '':
1189
raise BzrError("destination %r is not a versioned directory" % to_name)
1190
to_dir_ie = inv[to_dir_id]
1191
if to_dir_ie.kind not in ('directory', 'root_directory'):
1192
raise BzrError("destination %r is not a directory" % to_abs)
1193
1194
to_idpath = inv.get_idpath(to_dir_id)
1195
1196
for f in from_paths:
1197
if not tree.has_filename(f):
1198
raise BzrError("%r does not exist in working tree" % f)
1199
f_id = inv.path2id(f)
1200
if f_id == None:
1201
raise BzrError("%r is not versioned" % f)
1202
name_tail = splitpath(f)[-1]
1203
dest_path = appendpath(to_name, name_tail)
1204
if tree.has_filename(dest_path):
1205
raise BzrError("destination %r already exists" % dest_path)
1206
if f_id in to_idpath:
1207
raise BzrError("can't move %r to a subdirectory of itself" % f)
1208
1209
# OK, so there's a race here, it's possible that someone will
1210
# create a file in this interval and then the rename might be
1211
# left half-done. But we should have caught most problems.
1212
1213
for f in from_paths:
1214
name_tail = splitpath(f)[-1]
1215
dest_path = appendpath(to_name, name_tail)
1216
result.append((f, dest_path))
1217
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1218
try:
1219
os.rename(self.abspath(f), self.abspath(dest_path))
1220
except OSError, e:
1221
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1222
["rename rolled back"])
1223
1224
self._write_inventory(inv)
1225
finally:
1226
self.unlock()
1227
1228
return result
1229
1230
1231
def revert(self, filenames, old_tree=None, backups=True):
1232
"""Restore selected files to the versions from a previous tree.
1233
1234
backups
1235
If true (default) backups are made of files before
1236
they're renamed.
1237
"""
1238
from bzrlib.errors import NotVersionedError, BzrError
1239
from bzrlib.atomicfile import AtomicFile
1240
from bzrlib.osutils import backup_file
1241
1242
inv = self.read_working_inventory()
1243
if old_tree is None:
1244
old_tree = self.basis_tree()
1245
old_inv = old_tree.inventory
1246
1247
nids = []
1248
for fn in filenames:
1249
file_id = inv.path2id(fn)
1250
if not file_id:
1251
raise NotVersionedError("not a versioned file", fn)
1252
if not old_inv.has_id(file_id):
1253
raise BzrError("file not present in old tree", fn, file_id)
1254
nids.append((fn, file_id))
1255
1256
# TODO: Rename back if it was previously at a different location
1257
1258
# TODO: If given a directory, restore the entire contents from
1259
# the previous version.
1260
1261
# TODO: Make a backup to a temporary file.
1262
1263
# TODO: If the file previously didn't exist, delete it?
1264
for fn, file_id in nids:
1265
backup_file(fn)
1266
1267
f = AtomicFile(fn, 'wb')
1268
try:
1269
f.write(old_tree.get_file(file_id).read())
1270
f.commit()
1271
finally:
1272
f.close()
1273
1274
1275
def pending_merges(self):
1276
"""Return a list of pending merges.
1277
1278
These are revisions that have been merged into the working
1279
directory but not yet committed.
1280
"""
1281
cfn = self.controlfilename('pending-merges')
1282
if not os.path.exists(cfn):
1283
return []
1284
p = []
1285
for l in self.controlfile('pending-merges', 'r').readlines():
1286
p.append(l.rstrip('\n'))
1287
return p
1288
1289
1290
def add_pending_merge(self, revision_id):
1291
from bzrlib.revision import validate_revision_id
1292
1293
validate_revision_id(revision_id)
1294
1295
p = self.pending_merges()
1296
if revision_id in p:
1297
return
1298
p.append(revision_id)
1299
self.set_pending_merges(p)
1300
1301
1302
def set_pending_merges(self, rev_list):
1303
from bzrlib.atomicfile import AtomicFile
1304
self.lock_write()
1305
try:
1306
f = AtomicFile(self.controlfilename('pending-merges'))
1307
try:
1308
for l in rev_list:
1309
print >>f, l
1310
f.commit()
1311
finally:
1312
f.close()
1313
finally:
1314
self.unlock()
1315
368
raise NotImplementedError('move is abstract')
1316
369
1317
370
def get_parent(self):
1318
371
"""Return the parent location of the branch.
1321
374
pattern is that the user can override it by specifying a
1322
375
location.
1323
376
"""
1324
import errno
1325
_locs = ['parent', 'pull', 'x-pull']
1326
for l in _locs:
1327
try:
1328
return self.controlfile(l, 'r').read().strip('\n')
1329
except IOError, e:
1330
if e.errno != errno.ENOENT:
1331
raise
1332
return None
1333
377
raise NotImplementedError('get_parent is abstract')
378
379
def get_push_location(self):
380
"""Return the None or the location to push this branch to."""
381
raise NotImplementedError('get_push_location is abstract')
382
383
def set_push_location(self, location):
384
"""Set a new push location for this branch."""
385
raise NotImplementedError('set_push_location is abstract')
1334
386
1335
387
def set_parent(self, url):
1336
# TODO: Maybe delete old location files?
1337
from bzrlib.atomicfile import AtomicFile
1338
self.lock_write()
1339
try:
1340
f = AtomicFile(self.controlfilename('parent'))
1341
try:
1342
f.write(url + '\n')
1343
f.commit()
1344
finally:
1345
f.close()
1346
finally:
1347
self.unlock()
388
raise NotImplementedError('set_parent is abstract')
1348
389
1349
390
def check_revno(self, revno):
1350
391
"""\
1362
403
if revno < 1 or revno > self.revno():
1363
404
raise InvalidRevisionNumber(revno)
1364
405
1365
1366
1367
1368
class ScratchBranch(Branch):
406
def clone(self, to_location, revision=None, basis_branch=None, to_branch_type=None):
407
"""Copy this branch into the existing directory to_location.
408
409
Returns the newly created branch object.
410
411
revision
412
If not None, only revisions up to this point will be copied.
413
The head of the new branch will be that revision. Must be a
414
revid or None.
415
416
to_location -- The destination directory; must either exist and be
417
empty, or not exist, in which case it is created.
418
419
basis_branch
420
A local branch to copy revisions from, related to this branch.
421
This is used when branching from a remote (slow) branch, and we have
422
a local branch that might contain some relevant revisions.
423
424
to_branch_type
425
Branch type of destination branch
426
"""
427
from bzrlib.workingtree import WorkingTree
428
assert isinstance(to_location, basestring)
429
if not bzrlib.osutils.lexists(to_location):
430
os.mkdir(to_location)
431
if to_branch_type is None:
432
to_branch_type = BzrBranch
433
# FIXME use a branch format here
434
br_to = to_branch_type.initialize(to_location)
435
mutter("copy branch from %s to %s", self, br_to)
436
if basis_branch is not None:
437
basis_branch.push_stores(br_to)
438
if revision is None:
439
revision = self.last_revision()
440
br_to.update_revisions(self, stop_revision=revision)
441
br_to.set_parent(self.base)
442
WorkingTree.create(br_to, to_location).set_root_id(self.get_root_id())
443
mutter("copied")
444
return br_to
445
446
def fileid_involved_between_revs(self, from_revid, to_revid):
447
""" This function returns the file_id(s) involved in the
448
changes between the from_revid revision and the to_revid
449
revision
450
"""
451
raise NotImplementedError('fileid_involved_between_revs is abstract')
452
453
def fileid_involved(self, last_revid=None):
454
""" This function returns the file_id(s) involved in the
455
changes up to the revision last_revid
456
If no parametr is passed, then all file_id[s] present in the
457
repository are returned
458
"""
459
raise NotImplementedError('fileid_involved is abstract')
460
461
def fileid_involved_by_set(self, changes):
462
""" This function returns the file_id(s) involved in the
463
changes present in the set 'changes'
464
"""
465
raise NotImplementedError('fileid_involved_by_set is abstract')
466
467
def fileid_involved_between_revs(self, from_revid, to_revid):
468
""" This function returns the file_id(s) involved in the
469
changes between the from_revid revision and the to_revid
470
revision
471
"""
472
raise NotImplementedError('fileid_involved_between_revs is abstract')
473
474
def fileid_involved(self, last_revid=None):
475
""" This function returns the file_id(s) involved in the
476
changes up to the revision last_revid
477
If no parametr is passed, then all file_id[s] present in the
478
repository are returned
479
"""
480
raise NotImplementedError('fileid_involved is abstract')
481
482
def fileid_involved_by_set(self, changes):
483
""" This function returns the file_id(s) involved in the
484
changes present in the set 'changes'
485
"""
486
raise NotImplementedError('fileid_involved_by_set is abstract')
487
488
class BzrBranchFormat(object):
489
"""An encapsulation of the initialization and open routines for a format.
490
491
Formats provide three things:
492
* An initialization routine,
493
* a format string,
494
* an open routine.
495
496
Formats are placed in an dict by their format string for reference
497
during branch opening. Its not required that these be instances, they
498
can be classes themselves with class methods - it simply depends on
499
whether state is needed for a given format or not.
500
501
Once a format is deprecated, just deprecate the initialize and open
502
methods on the format class. Do not deprecate the object, as the
503
object will be created every time regardless.
504
"""
505
506
_formats = {}
507
"""The known formats."""
508
509
@classmethod
510
def find_format(klass, transport):
511
"""Return the format registered for URL."""
512
try:
513
format_string = transport.get(".bzr/branch-format").read()
514
return klass._formats[format_string]
515
except NoSuchFile:
516
raise NotBranchError(path=transport.base)
517
except KeyError:
518
raise errors.UnknownFormatError(format_string)
519
520
def get_format_string(self):
521
"""Return the ASCII format string that identifies this format."""
522
raise NotImplementedError(self.get_format_string)
523
524
def _find_modes(self, t):
525
"""Determine the appropriate modes for files and directories.
526
527
FIXME: When this merges into, or from storage,
528
this code becomes delgatable to a LockableFiles instance.
529
530
For now its cribbed and returns (dir_mode, file_mode)
531
"""
532
try:
533
st = t.stat('.')
534
except errors.TransportNotPossible:
535
dir_mode = 0755
536
file_mode = 0644
537
else:
538
dir_mode = st.st_mode & 07777
539
# Remove the sticky and execute bits for files
540
file_mode = dir_mode & ~07111
541
if not BzrBranch._set_dir_mode:
542
dir_mode = None
543
if not BzrBranch._set_file_mode:
544
file_mode = None
545
return dir_mode, file_mode
546
547
def initialize(self, url):
548
"""Create a branch of this format at url and return an open branch."""
549
t = get_transport(url)
550
from bzrlib.weavefile import write_weave_v5
551
from bzrlib.weave import Weave
552
553
# Create an empty weave
554
sio = StringIO()
555
bzrlib.weavefile.write_weave_v5(Weave(), sio)
556
empty_weave = sio.getvalue()
557
558
# Since we don't have a .bzr directory, inherit the
559
# mode from the root directory
560
temp_control = LockableFiles(t, '')
561
temp_control._transport.mkdir('.bzr',
562
mode=temp_control._dir_mode)
563
file_mode = temp_control._file_mode
564
del temp_control
565
mutter('created control directory in ' + t.base)
566
control = t.clone('.bzr')
567
dirs = ['revision-store', 'weaves']
568
lock_file = 'branch-lock'
569
utf8_files = [('README',
570
"This is a Bazaar-NG control directory.\n"
571
"Do not change any files in this directory.\n"),
572
('branch-format', self.get_format_string()),
573
('revision-history', ''),
574
('branch-name', ''),
575
]
576
files = [('inventory.weave', StringIO(empty_weave)),
577
]
578
579
# FIXME: RBC 20060125 dont peek under the covers
580
# NB: no need to escape relative paths that are url safe.
581
control.put(lock_file, StringIO(), mode=file_mode)
582
control_files = LockableFiles(control, lock_file)
583
control_files.lock_write()
584
control_files._transport.mkdir_multi(dirs,
585
mode=control_files._dir_mode)
586
try:
587
for file, content in utf8_files:
588
control_files.put_utf8(file, content)
589
for file, content in files:
590
control_files.put(file, content)
591
finally:
592
control_files.unlock()
593
return BzrBranch(t, _format=self, _control_files=control_files)
594
595
def is_supported(self):
596
"""Is this format supported?
597
598
Supported formats can be initialized and opened.
599
Unsupported formats may not support initialization or committing or
600
some other features depending on the reason for not being supported.
601
"""
602
return True
603
604
def open(self, transport):
605
"""Fill out the data in branch for the branch at url."""
606
return BzrBranch(transport, _format=self)
607
608
@classmethod
609
def register_format(klass, format):
610
klass._formats[format.get_format_string()] = format
611
612
@classmethod
613
def unregister_format(klass, format):
614
assert klass._formats[format.get_format_string()] is format
615
del klass._formats[format.get_format_string()]
616
617
618
class BzrBranchFormat4(BzrBranchFormat):
619
"""Bzr branch format 4.
620
621
This format has:
622
- flat stores
623
- TextStores for texts, inventories,revisions.
624
625
This format is deprecated: it indexes texts using a text it which is
626
removed in format 5; write support for this format has been removed.
627
"""
628
629
def get_format_string(self):
630
"""See BzrBranchFormat.get_format_string()."""
631
return BZR_BRANCH_FORMAT_4
632
633
def initialize(self, url):
634
"""Format 4 branches cannot be created."""
635
raise UninitializableFormat(self)
636
637
def is_supported(self):
638
"""Format 4 is not supported.
639
640
It is not supported because the model changed from 4 to 5 and the
641
conversion logic is expensive - so doing it on the fly was not
642
feasible.
643
"""
644
return False
645
646
647
class BzrBranchFormat5(BzrBranchFormat):
648
"""Bzr branch format 5.
649
650
This format has:
651
- weaves for file texts and inventory
652
- flat stores
653
- TextStores for revisions and signatures.
654
"""
655
656
def get_format_string(self):
657
"""See BzrBranchFormat.get_format_string()."""
658
return BZR_BRANCH_FORMAT_5
659
660
661
class BzrBranchFormat6(BzrBranchFormat):
662
"""Bzr branch format 6.
663
664
This format has:
665
- weaves for file texts and inventory
666
- hash subdirectory based stores.
667
- TextStores for revisions and signatures.
668
"""
669
670
def get_format_string(self):
671
"""See BzrBranchFormat.get_format_string()."""
672
return BZR_BRANCH_FORMAT_6
673
674
675
BzrBranchFormat.register_format(BzrBranchFormat4())
676
BzrBranchFormat.register_format(BzrBranchFormat5())
677
BzrBranchFormat.register_format(BzrBranchFormat6())
678
679
# TODO: jam 20060108 Create a new branch format, and as part of upgrade
680
# make sure that ancestry.weave is deleted (it is never used, but
681
# used to be created)
682
683
684
class BzrBranch(Branch):
685
"""A branch stored in the actual filesystem.
686
687
Note that it's "local" in the context of the filesystem; it doesn't
688
really matter if it's on an nfs/smb/afs/coda/... share, as long as
689
it's writable, and can be accessed via the normal filesystem API.
690
691
"""
692
# We actually expect this class to be somewhat short-lived; part of its
693
# purpose is to try to isolate what bits of the branch logic are tied to
694
# filesystem access, so that in a later step, we can extricate them to
695
# a separarte ("storage") class.
696
_inventory_weave = None
697
698
# Map some sort of prefix into a namespace
699
# stuff like "revno:10", "revid:", etc.
700
# This should match a prefix with a function which accepts
701
REVISION_NAMESPACES = {}
702
703
def push_stores(self, branch_to):
704
"""See Branch.push_stores."""
705
if (not isinstance(self._branch_format, BzrBranchFormat4) or
706
self._branch_format != branch_to._branch_format):
707
from bzrlib.fetch import greedy_fetch
708
mutter("Using fetch logic to push between %s(%s) and %s(%s)",
709
self, self._branch_format, branch_to, branch_to._branch_format)
710
greedy_fetch(to_branch=branch_to, from_branch=self,
711
revision=self.last_revision())
712
return
713
714
# format 4 to format 4 logic only.
715
store_pairs = ((self.text_store, branch_to.text_store),
716
(self.inventory_store, branch_to.inventory_store),
717
(self.revision_store, branch_to.revision_store))
718
try:
719
for from_store, to_store in store_pairs:
720
copy_all(from_store, to_store)
721
except UnlistableStore:
722
raise UnlistableBranch(from_store)
723
724
def __init__(self, transport, init=DEPRECATED_PARAMETER,
725
relax_version_check=DEPRECATED_PARAMETER, _format=None,
726
_control_files=None):
727
"""Create new branch object at a particular location.
728
729
transport -- A Transport object, defining how to access files.
730
731
init -- If True, create new control files in a previously
732
unversioned directory. If False, the branch must already
733
be versioned.
734
735
relax_version_check -- If true, the usual check for the branch
736
version is not applied. This is intended only for
737
upgrade/recovery type use; it's not guaranteed that
738
all operations will work on old format branches.
739
740
In the test suite, creation of new trees is tested using the
741
`ScratchBranch` class.
742
"""
743
assert isinstance(transport, Transport), \
744
"%r is not a Transport" % transport
745
self._transport = transport
746
self._base = self._transport.base
747
if _control_files is None:
748
_control_files = LockableFiles(self._transport.clone(bzrlib.BZRDIR),
749
'branch-lock')
750
self.control_files = _control_files
751
if deprecated_passed(init):
752
warn("BzrBranch.__init__(..., init=XXX): The init parameter is "
753
"deprecated as of bzr 0.8. Please use Branch.create().",
754
DeprecationWarning,
755
stacklevel=2)
756
if init:
757
# this is slower than before deprecation, oh well never mind.
758
# -> its deprecated.
759
self._initialize(transport.base)
760
self._check_format(_format)
761
if deprecated_passed(relax_version_check):
762
warn("BzrBranch.__init__(..., relax_version_check=XXX_: The "
763
"relax_version_check parameter is deprecated as of bzr 0.8. "
764
"Please use Branch.open_downlevel, or a BzrBranchFormat's "
765
"open() method.",
766
DeprecationWarning,
767
stacklevel=2)
768
if (not relax_version_check
769
and not self._branch_format.is_supported()):
770
raise errors.UnsupportedFormatError(
771
'sorry, branch format %r not supported' % fmt,
772
['use a different bzr version',
773
'or remove the .bzr directory'
774
' and "bzr init" again'])
775
self.repository = Repository(transport, self._branch_format)
776
777
778
@staticmethod
779
def _initialize(base):
780
"""Create a bzr branch in the latest format."""
781
return BzrBranchFormat6().initialize(base)
782
783
def __str__(self):
784
return '%s(%r)' % (self.__class__.__name__, self.base)
785
786
__repr__ = __str__
787
788
def __del__(self):
789
# TODO: It might be best to do this somewhere else,
790
# but it is nice for a Branch object to automatically
791
# cache it's information.
792
# Alternatively, we could have the Transport objects cache requests
793
# See the earlier discussion about how major objects (like Branch)
794
# should never expect their __del__ function to run.
795
# XXX: cache_root seems to be unused, 2006-01-13 mbp
796
if hasattr(self, 'cache_root') and self.cache_root is not None:
797
try:
798
shutil.rmtree(self.cache_root)
799
except:
800
pass
801
self.cache_root = None
802
803
def _get_base(self):
804
return self._base
805
806
base = property(_get_base, doc="The URL for the root of this branch.")
807
808
def _finish_transaction(self):
809
"""Exit the current transaction."""
810
return self.control_files._finish_transaction()
811
812
def get_transaction(self):
813
"""Return the current active transaction.
814
815
If no transaction is active, this returns a passthrough object
816
for which all data is immediately flushed and no caching happens.
817
"""
818
# this is an explicit function so that we can do tricky stuff
819
# when the storage in rev_storage is elsewhere.
820
# we probably need to hook the two 'lock a location' and
821
# 'have a transaction' together more delicately, so that
822
# we can have two locks (branch and storage) and one transaction
823
# ... and finishing the transaction unlocks both, but unlocking
824
# does not. - RBC 20051121
825
return self.control_files.get_transaction()
826
827
def _set_transaction(self, transaction):
828
"""Set a new active transaction."""
829
return self.control_files._set_transaction(transaction)
830
831
def abspath(self, name):
832
"""See Branch.abspath."""
833
return self.control_files._transport.abspath(name)
834
835
def _check_format(self, format):
836
"""Identify the branch format if needed.
837
838
The format is stored as a reference to the format object in
839
self._branch_format for code that needs to check it later.
840
841
The format parameter is either None or the branch format class
842
used to open this branch.
843
"""
844
if format is None:
845
format = BzrBranchFormat.find_format(self._transport)
846
self._branch_format = format
847
mutter("got branch format %s", self._branch_format)
848
849
@needs_read_lock
850
def get_root_id(self):
851
"""See Branch.get_root_id."""
852
tree = self.repository.revision_tree(self.last_revision())
853
return tree.inventory.root.file_id
854
855
def lock_write(self):
856
# TODO: test for failed two phase locks. This is known broken.
857
self.control_files.lock_write()
858
self.repository.lock_write()
859
860
def lock_read(self):
861
# TODO: test for failed two phase locks. This is known broken.
862
self.control_files.lock_read()
863
self.repository.lock_read()
864
865
def unlock(self):
866
# TODO: test for failed two phase locks. This is known broken.
867
self.repository.unlock()
868
self.control_files.unlock()
869
870
def peek_lock_mode(self):
871
if self.control_files._lock_count == 0:
872
return None
873
else:
874
return self.control_files._lock_mode
875
876
@needs_read_lock
877
def print_file(self, file, revision_id):
878
"""See Branch.print_file."""
879
return self.repository.print_file(file, revision_id)
880
881
@needs_write_lock
882
def append_revision(self, *revision_ids):
883
"""See Branch.append_revision."""
884
for revision_id in revision_ids:
885
mutter("add {%s} to revision-history" % revision_id)
886
rev_history = self.revision_history()
887
rev_history.extend(revision_ids)
888
self.set_revision_history(rev_history)
889
890
@needs_write_lock
891
def set_revision_history(self, rev_history):
892
"""See Branch.set_revision_history."""
893
self.control_files.put_utf8(
894
'revision-history', '\n'.join(rev_history))
895
896
def get_revision_delta(self, revno):
897
"""Return the delta for one revision.
898
899
The delta is relative to its mainline predecessor, or the
900
empty tree for revision 1.
901
"""
902
assert isinstance(revno, int)
903
rh = self.revision_history()
904
if not (1 <= revno <= len(rh)):
905
raise InvalidRevisionNumber(revno)
906
907
# revno is 1-based; list is 0-based
908
909
new_tree = self.repository.revision_tree(rh[revno-1])
910
if revno == 1:
911
old_tree = EmptyTree()
912
else:
913
old_tree = self.repository.revision_tree(rh[revno-2])
914
return compare_trees(old_tree, new_tree)
915
916
@needs_read_lock
917
def revision_history(self):
918
"""See Branch.revision_history."""
919
# FIXME are transactions bound to control files ? RBC 20051121
920
transaction = self.get_transaction()
921
history = transaction.map.find_revision_history()
922
if history is not None:
923
mutter("cache hit for revision-history in %s", self)
924
return list(history)
925
history = [l.rstrip('\r\n') for l in
926
self.control_files.get_utf8('revision-history').readlines()]
927
transaction.map.add_revision_history(history)
928
# this call is disabled because revision_history is
929
# not really an object yet, and the transaction is for objects.
930
# transaction.register_clean(history, precious=True)
931
return list(history)
932
933
def update_revisions(self, other, stop_revision=None):
934
"""See Branch.update_revisions."""
935
from bzrlib.fetch import greedy_fetch
936
if stop_revision is None:
937
stop_revision = other.last_revision()
938
### Should this be checking is_ancestor instead of revision_history?
939
if (stop_revision is not None and
940
stop_revision in self.revision_history()):
941
return
942
greedy_fetch(to_branch=self, from_branch=other,
943
revision=stop_revision)
944
pullable_revs = self.pullable_revisions(other, stop_revision)
945
if len(pullable_revs) > 0:
946
self.append_revision(*pullable_revs)
947
948
def pullable_revisions(self, other, stop_revision):
949
"""See Branch.pullable_revisions."""
950
other_revno = other.revision_id_to_revno(stop_revision)
951
try:
952
return self.missing_revisions(other, other_revno)
953
except DivergedBranches, e:
954
try:
955
pullable_revs = get_intervening_revisions(self.last_revision(),
956
stop_revision,
957
self.repository)
958
assert self.last_revision() not in pullable_revs
959
return pullable_revs
960
except bzrlib.errors.NotAncestor:
961
if is_ancestor(self.last_revision(), stop_revision, self):
962
return []
963
else:
964
raise e
965
966
def basis_tree(self):
967
"""See Branch.basis_tree."""
968
try:
969
revision_id = self.revision_history()[-1]
970
# FIXME: This is an abstraction violation, the basis tree
971
# here as defined is on the working tree, the method should
972
# be too. The basis tree for a branch can be different than
973
# that for a working tree. RBC 20051207
974
xml = self.working_tree().read_basis_inventory(revision_id)
975
inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
976
return RevisionTree(self.repository, inv, revision_id)
977
except (IndexError, NoSuchFile, NoWorkingTree), e:
978
return self.repository.revision_tree(self.last_revision())
979
980
def working_tree(self):
981
"""See Branch.working_tree."""
982
from bzrlib.workingtree import WorkingTree
983
from bzrlib.transport.local import LocalTransport
984
if (self.base.find('://') != -1 or
985
not isinstance(self._transport, LocalTransport)):
986
raise NoWorkingTree(self.base)
987
return WorkingTree(self.base, branch=self)
988
989
@needs_write_lock
990
def pull(self, source, overwrite=False):
991
"""See Branch.pull."""
992
source.lock_read()
993
try:
994
old_count = len(self.revision_history())
995
try:
996
self.update_revisions(source)
997
except DivergedBranches:
998
if not overwrite:
999
raise
1000
if overwrite:
1001
self.set_revision_history(source.revision_history())
1002
new_count = len(self.revision_history())
1003
return new_count - old_count
1004
finally:
1005
source.unlock()
1006
1007
def get_parent(self):
1008
"""See Branch.get_parent."""
1009
import errno
1010
_locs = ['parent', 'pull', 'x-pull']
1011
for l in _locs:
1012
try:
1013
return self.control_files.get_utf8(l).read().strip('\n')
1014
except NoSuchFile:
1015
pass
1016
return None
1017
1018
def get_push_location(self):
1019
"""See Branch.get_push_location."""
1020
config = bzrlib.config.BranchConfig(self)
1021
push_loc = config.get_user_option('push_location')
1022
return push_loc
1023
1024
def set_push_location(self, location):
1025
"""See Branch.set_push_location."""
1026
config = bzrlib.config.LocationConfig(self.base)
1027
config.set_user_option('push_location', location)
1028
1029
@needs_write_lock
1030
def set_parent(self, url):
1031
"""See Branch.set_parent."""
1032
# TODO: Maybe delete old location files?
1033
# URLs should never be unicode, even on the local fs,
1034
# FIXUP this and get_parent in a future branch format bump:
1035
# read and rewrite the file, and have the new format code read
1036
# using .get not .get_utf8. RBC 20060125
1037
self.control_files.put_utf8('parent', url + '\n')
1038
1039
def tree_config(self):
1040
return TreeConfig(self)
1041
1042
def _get_truncated_history(self, revision_id):
1043
history = self.revision_history()
1044
if revision_id is None:
1045
return history
1046
try:
1047
idx = history.index(revision_id)
1048
except ValueError:
1049
raise InvalidRevisionId(revision_id=revision, branch=self)
1050
return history[:idx+1]
1051
1052
@needs_read_lock
1053
def _clone_weave(self, to_location, revision=None, basis_branch=None):
1054
# prevent leakage
1055
from bzrlib.workingtree import WorkingTree
1056
assert isinstance(to_location, basestring)
1057
if basis_branch is not None:
1058
note("basis_branch is not supported for fast weave copy yet.")
1059
1060
history = self._get_truncated_history(revision)
1061
if not bzrlib.osutils.lexists(to_location):
1062
os.mkdir(to_location)
1063
branch_to = Branch.initialize(to_location)
1064
mutter("copy branch from %s to %s", self, branch_to)
1065
1066
self.repository.copy(branch_to.repository)
1067
1068
# must be done *after* history is copied across
1069
# FIXME duplicate code with base .clone().
1070
# .. would template method be useful here? RBC 20051207
1071
branch_to.set_parent(self.base)
1072
branch_to.append_revision(*history)
1073
# FIXME: this should be in workingtree.clone
1074
WorkingTree.create(branch_to, to_location).set_root_id(self.get_root_id())
1075
mutter("copied")
1076
return branch_to
1077
1078
def clone(self, to_location, revision=None, basis_branch=None, to_branch_type=None):
1079
# FIXME: clone via create and fetch is probably faster when versioned
1080
# file comes in.
1081
if to_branch_type is None:
1082
to_branch_type = BzrBranch
1083
1084
if to_branch_type == BzrBranch \
1085
and self.repository.weave_store.listable() \
1086
and self.repository.revision_store.listable():
1087
return self._clone_weave(to_location, revision, basis_branch)
1088
1089
return Branch.clone(self, to_location, revision, basis_branch, to_branch_type)
1090
1091
def fileid_involved_between_revs(self, from_revid, to_revid):
1092
"""Find file_id(s) which are involved in the changes between revisions.
1093
1094
This determines the set of revisions which are involved, and then
1095
finds all file ids affected by those revisions.
1096
"""
1097
# TODO: jam 20060119 This code assumes that w.inclusions will
1098
# always be correct. But because of the presence of ghosts
1099
# it is possible to be wrong.
1100
# One specific example from Robert Collins:
1101
# Two branches, with revisions ABC, and AD
1102
# C is a ghost merge of D.
1103
# Inclusions doesn't recognize D as an ancestor.
1104
# If D is ever merged in the future, the weave
1105
# won't be fixed, because AD never saw revision C
1106
# to cause a conflict which would force a reweave.
1107
w = self.repository.get_inventory_weave()
1108
from_set = set(w.inclusions([w.lookup(from_revid)]))
1109
to_set = set(w.inclusions([w.lookup(to_revid)]))
1110
included = to_set.difference(from_set)
1111
changed = map(w.idx_to_name, included)
1112
return self._fileid_involved_by_set(changed)
1113
1114
def fileid_involved(self, last_revid=None):
1115
"""Find all file_ids modified in the ancestry of last_revid.
1116
1117
:param last_revid: If None, last_revision() will be used.
1118
"""
1119
w = self.repository.get_inventory_weave()
1120
if not last_revid:
1121
changed = set(w._names)
1122
else:
1123
included = w.inclusions([w.lookup(last_revid)])
1124
changed = map(w.idx_to_name, included)
1125
return self._fileid_involved_by_set(changed)
1126
1127
def fileid_involved_by_set(self, changes):
1128
"""Find all file_ids modified by the set of revisions passed in.
1129
1130
:param changes: A set() of revision ids
1131
"""
1132
# TODO: jam 20060119 This line does *nothing*, remove it.
1133
# or better yet, change _fileid_involved_by_set so
1134
# that it takes the inventory weave, rather than
1135
# pulling it out by itself.
1136
w = self.repository.get_inventory_weave()
1137
return self._fileid_involved_by_set(changes)
1138
1139
def _fileid_involved_by_set(self, changes):
1140
"""Find the set of file-ids affected by the set of revisions.
1141
1142
:param changes: A set() of revision ids.
1143
:return: A set() of file ids.
1144
1145
This peaks at the Weave, interpreting each line, looking to
1146
see if it mentions one of the revisions. And if so, includes
1147
the file id mentioned.
1148
This expects both the Weave format, and the serialization
1149
to have a single line per file/directory, and to have
1150
fileid="" and revision="" on that line.
1151
"""
1152
assert (isinstance(self._branch_format, BzrBranchFormat5) or
1153
isinstance(self._branch_format, BzrBranchFormat6)), \
1154
"fileid_involved only supported for branches which store inventory as xml"
1155
1156
w = self.repository.get_inventory_weave()
1157
file_ids = set()
1158
for line in w._weave:
1159
1160
# it is ugly, but it is due to the weave structure
1161
if not isinstance(line, basestring): continue
1162
1163
start = line.find('file_id="')+9
1164
if start < 9: continue
1165
end = line.find('"', start)
1166
assert end>= 0
1167
file_id = xml.sax.saxutils.unescape(line[start:end])
1168
1169
# check if file_id is already present
1170
if file_id in file_ids: continue
1171
1172
start = line.find('revision="')+10
1173
if start < 10: continue
1174
end = line.find('"', start)
1175
assert end>= 0
1176
revision_id = xml.sax.saxutils.unescape(line[start:end])
1177
1178
if revision_id in changes:
1179
file_ids.add(file_id)
1180
1181
return file_ids
1182
1183
1184
Branch.set_default_initializer(BzrBranch._initialize)
1185
1186
1187
class BranchTestProviderAdapter(object):
1188
"""A tool to generate a suite testing multiple branch formats at once.
1189
1190
This is done by copying the test once for each transport and injecting
1191
the transport_server, transport_readonly_server, and branch_format
1192
classes into each copy. Each copy is also given a new id() to make it
1193
easy to identify.
1194
"""
1195
1196
def __init__(self, transport_server, transport_readonly_server, formats):
1197
self._transport_server = transport_server
1198
self._transport_readonly_server = transport_readonly_server
1199
self._formats = formats
1200
1201
def adapt(self, test):
1202
result = TestSuite()
1203
for format in self._formats:
1204
new_test = deepcopy(test)
1205
new_test.transport_server = self._transport_server
1206
new_test.transport_readonly_server = self._transport_readonly_server
1207
new_test.branch_format = format
1208
def make_new_test_id():
1209
new_id = "%s(%s)" % (new_test.id(), format.__class__.__name__)
1210
return lambda: new_id
1211
new_test.id = make_new_test_id()
1212
result.addTest(new_test)
1213
return result
1214
1215
1216
class ScratchBranch(BzrBranch):
1369
1217
"""Special test class: a branch that cleans up after itself.
1370
1218
1371
1219
>>> b = ScratchBranch()
1372
1220
>>> isdir(b.base)
1373
1221
True
1374
1222
>>> bd = b.base
1375
>>> b.destroy()
1223
>>> b._transport.__del__()
1376
1224
>>> isdir(bd)
1377
1225
False
1378
1226
"""
1379
def __init__(self, files=[], dirs=[], base=None):
1227
1228
def __init__(self, files=[], dirs=[], transport=None):
1380
1229
"""Make a test branch.
1381
1230
1382
1231
This creates a temporary directory and runs init-tree in it.
1383
1232
1384
1233
If any files are listed, they are created in the working copy.
1385
1234
"""
1386
from tempfile import mkdtemp
1387
init = False
1388
if base is None:
1389
base = mkdtemp()
1390
init = True
1391
Branch.__init__(self, base, init=init)
1235
if transport is None:
1236
transport = bzrlib.transport.local.ScratchTransport()
1237
# local import for scope restriction
1238
from bzrlib.workingtree import WorkingTree
1239
WorkingTree.create_standalone(transport.base)
1240
super(ScratchBranch, self).__init__(transport)
1241
else:
1242
super(ScratchBranch, self).__init__(transport)
1243
1244
# BzrBranch creates a clone to .bzr and then forgets about the
1245
# original transport. A ScratchTransport() deletes itself and
1246
# everything underneath it when it goes away, so we need to
1247
# grab a local copy to prevent that from happening
1248
self._transport = transport
1249
1392
1250
for d in dirs:
1393
os.mkdir(self.abspath(d))
1251
self._transport.mkdir(d)
1394
1252
1395
1253
for f in files:
1396
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1397
1254
self._transport.put(f, 'content of %s' % f)
1398
1255
1399
1256
def clone(self):
1400
1257
"""
1401
1258
>>> orig = ScratchBranch(files=["file1", "file2"])
1259
>>> os.listdir(orig.base)
1260
[u'.bzr', u'file1', u'file2']
1402
1261
>>> clone = orig.clone()
1403
>>> os.path.samefile(orig.base, clone.base)
1262
>>> if os.name != 'nt':
1263
... os.path.samefile(orig.base, clone.base)
1264
... else:
1265
... orig.base == clone.base
1266
...
1404
1267
False
1405
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1406
True
1268
>>> os.listdir(clone.base)
1269
[u'.bzr', u'file1', u'file2']
1407
1270
"""
1408
1271
from shutil import copytree
1409
from tempfile import mkdtemp
1272
from bzrlib.osutils import mkdtemp
1410
1273
base = mkdtemp()
1411
1274
os.rmdir(base)
1412
1275
copytree(self.base, base, symlinks=True)
1413
return ScratchBranch(base=base)
1414
1415
1416
1417
def __del__(self):
1418
self.destroy()
1419
1420
def destroy(self):
1421
"""Destroy the test branch, removing the scratch directory."""
1422
from shutil import rmtree
1423
try:
1424
if self.base:
1425
mutter("delete ScratchBranch %s" % self.base)
1426
rmtree(self.base)
1427
except OSError, e:
1428
# Work around for shutil.rmtree failing on Windows when
1429
# readonly files are encountered
1430
mutter("hit exception in destroying ScratchBranch: %s" % e)
1431
for root, dirs, files in os.walk(self.base, topdown=False):
1432
for name in files:
1433
os.chmod(os.path.join(root, name), 0700)
1434
rmtree(self.base)
1435
self.base = None
1436
1276
return ScratchBranch(
1277
transport=bzrlib.transport.local.ScratchTransport(base))
1437
1278
1438
1279
1439
1280
######################################################################
1442
1283
1443
1284
def is_control_file(filename):
1444
1285
## FIXME: better check
1445
filename = os.path.normpath(filename)
1286
filename = normpath(filename)
1446
1287
while filename != '':
1447
1288
head, tail = os.path.split(filename)
1448
## mutter('check %r for control file' % ((head, tail), ))
1289
## mutter('check %r for control file' % ((head, tail),))
1449
1290
if tail == bzrlib.BZRDIR:
1450
1291
return True
1451
1292
if filename == head:
1452
1293
break
1453
1294
filename = head
1454
1295
return False
1455
1456
1457
1458
def gen_file_id(name):
1459
"""Return new file id.
1460
1461
This should probably generate proper UUIDs, but for the moment we
1462
cope with just randomness because running uuidgen every time is
1463
slow."""
1464
import re
1465
from binascii import hexlify
1466
from time import time
1467
1468
# get last component
1469
idx = name.rfind('/')
1470
if idx != -1:
1471
name = name[idx+1 : ]
1472
idx = name.rfind('\\')
1473
if idx != -1:
1474
name = name[idx+1 : ]
1475
1476
# make it not a hidden file
1477
name = name.lstrip('.')
1478
1479
# remove any wierd characters; we don't escape them but rather
1480
# just pull them out
1481
name = re.sub(r'[^\w.]', '', name)
1482
1483
s = hexlify(rand_bytes(8))
1484
return '-'.join((name, compact_date(time()), s))
1485
1486
1487
def gen_root_id():
1488
"""Return a new tree-root file id."""
1489
return gen_file_id('TREE_ROOT')
1490
1491
1492
def pull_loc(branch):
1493
# TODO: Should perhaps just make attribute be 'base' in
1494
# RemoteBranch and Branch?
1495
if hasattr(branch, "baseurl"):
1496
return branch.baseurl
1497
else:
1498
return branch.base
1499
1500
1501
def copy_branch(branch_from, to_location, revision=None):
1502
"""Copy branch_from into the existing directory to_location.
1503
1504
revision
1505
If not None, only revisions up to this point will be copied.
1506
The head of the new branch will be that revision.
1507
1508
to_location
1509
The name of a local directory that exists but is empty.
1510
"""
1511
from bzrlib.merge import merge
1512
from bzrlib.branch import Branch
1513
1514
assert isinstance(branch_from, Branch)
1515
assert isinstance(to_location, basestring)
1516
1517
br_to = Branch(to_location, init=True)
1518
br_to.set_root_id(branch_from.get_root_id())
1519
if revision is None:
1520
revno = branch_from.revno()
1521
else:
1522
revno, rev_id = branch_from.get_revision_info(revision)
1523
br_to.update_revisions(branch_from, stop_revision=revno)
1524
merge((to_location, -1), (to_location, 0), this_dir=to_location,
1525
check_clean=False, ignore_zero=True)
1526
1527
from_location = pull_loc(branch_from)
1528
br_to.set_parent(pull_loc(branch_from))
1529
Loggerhead is a web-based interface for Breezy
Version: 2.0.1