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 1185.78.4
- compare with another revision
- download diff
- download tarball
- view history from revision 1185.78.4
- Committer: John Arbash Meinel
- Date: 2006-02-15 15:18:44 UTC
- mto: (1185.79.1 bzr-jam-pending)
- mto: This revision was merged to the branch mainline in revision 1554.
- Revision ID: john@arbash-meinel.com-20060215151844-ce3e3efccd19da3f
Reverting gpg changes, should not be mainline, see gpg_uses_tempfile plugin.
- 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
- bzrlib/util/configobj
- bzrlib/util/configobj/docs
- tools/doc_generate
- files removed:
- bzrlib/mdiff.py
- plugins/changeset
- files renamed:
- bzrlib/changeset.py => bzrlib/_changeset.py
- bzrlib/merge_core.py => bzrlib/_merge_core.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
- bzr-man.py => tools/doc_generate/autodoc_man.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
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
41
from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
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
)
56
from bzrlib.textui import show_status
22
57
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
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
67
import bzrlib.xml5
68
69
70
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
71
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
72
BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
73
74
75
# TODO: Maybe include checks for common corruption of newlines, etc?
37
76
38
77
# TODO: Some operations like log might retrieve the same revisions
39
78
# 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.")
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
131
82
132
83
133
84
######################################################################
137
88
"""Branch holding a history of revisions.
138
89
139
90
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.
91
Base directory/url of the branch.
151
92
"""
93
# this is really an instance variable - FIXME move it there
94
# - RBC 20060112
152
95
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
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')
211
206
212
207
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
227
208
raise NotImplementedError('lock_write is abstract')
209
228
210
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
211
raise NotImplementedError('lock_read is abstract')
212
242
213
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
214
raise NotImplementedError('unlock is abstract')
215
216
def peek_lock_mode(self):
217
"""Return lock mode for the Branch: 'r', 'w' or None"""
218
raise NotImplementedError(self.peek_lock_mode)
254
219
255
220
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
221
"""Return absolute filename for something in the branch
304
222
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.
223
XXX: Robert Collins 20051017 what is this used for? why is it a branch
224
method and not a tree method.
329
225
"""
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'])
226
raise NotImplementedError('abspath is abstract')
339
227
340
228
def get_root_id(self):
341
229
"""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):
230
raise NotImplementedError('get_root_id is abstract')
231
232
def print_file(self, file, revision_id):
480
233
"""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
234
raise NotImplementedError('print_file is abstract')
568
235
569
236
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
616
617
def get_revision_delta(self, revno):
618
"""Return the delta for one revision.
619
620
The delta is relative to its mainline predecessor, or the
621
empty tree for revision 1.
622
"""
623
assert isinstance(revno, int)
624
rh = self.revision_history()
625
if not (1 <= revno <= len(rh)):
626
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
237
raise NotImplementedError('append_revision is abstract')
238
239
def set_revision_history(self, rev_history):
240
raise NotImplementedError('set_revision_history is abstract')
679
241
680
242
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
243
"""Return sequence of revision hashes on to this branch."""
244
raise NotImplementedError('revision_history is abstract')
738
245
739
246
def revno(self):
740
247
"""Return current revision number for this branch.
744
251
"""
745
252
return len(self.revision_history())
746
253
747
748
def last_patch(self):
749
"""Return last patch hash, or None if no history.
750
"""
254
def last_revision(self):
255
"""Return last patch hash, or None if no history."""
751
256
ph = self.revision_history()
752
257
if ph:
753
258
return ph[-1]
754
259
else:
755
260
return None
756
261
757
758
def missing_revisions(self, other, stop_revision=None):
759
"""
262
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
263
"""Return a list of new revisions that would perfectly fit.
264
760
265
If self and other have not diverged, return a list of the revisions
761
266
present in other, but missing from self.
762
267
763
>>> from bzrlib.commit import commit
764
268
>>> bzrlib.trace.silent = True
765
269
>>> br1 = ScratchBranch()
766
270
>>> br2 = ScratchBranch()
767
271
>>> br1.missing_revisions(br2)
768
272
[]
769
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
273
>>> br2.working_tree().commit("lala!", rev_id="REVISION-ID-1")
770
274
>>> br1.missing_revisions(br2)
771
275
[u'REVISION-ID-1']
772
276
>>> br2.missing_revisions(br1)
773
277
[]
774
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
278
>>> br1.working_tree().commit("lala!", rev_id="REVISION-ID-1")
775
279
>>> br1.missing_revisions(br2)
776
280
[]
777
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
281
>>> br2.working_tree().commit("lala!", rev_id="REVISION-ID-2A")
778
282
>>> br1.missing_revisions(br2)
779
283
[u'REVISION-ID-2A']
780
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
284
>>> br1.working_tree().commit("lala!", rev_id="REVISION-ID-2B")
781
285
>>> br1.missing_revisions(br2)
782
286
Traceback (most recent call last):
783
DivergedBranches: These branches have diverged.
287
DivergedBranches: These branches have diverged. Try merge.
784
288
"""
785
289
self_history = self.revision_history()
786
290
self_len = len(self_history)
793
297
794
298
if stop_revision is None:
795
299
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
798
300
else:
301
assert isinstance(stop_revision, int)
302
if stop_revision > other_len:
303
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
799
304
return other_history[self_len:stop_revision]
800
305
801
802
306
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
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')
312
313
def revision_id_to_revno(self, revision_id):
314
"""Given a revision id, return its revno"""
315
if revision_id is None:
316
return 0
317
history = self.revision_history()
318
try:
319
return history.index(revision_id) + 1
320
except ValueError:
321
raise bzrlib.errors.NoSuchRevision(self, revision_id)
322
323
def get_rev_id(self, revno, history=None):
324
"""Find the revision id of the specified revno."""
325
if revno == 0:
326
return None
327
if history is None:
328
history = self.revision_history()
329
elif revno <= 0 or revno > len(history):
330
raise bzrlib.errors.NoSuchRevision(self, revno)
331
return history[revno - 1]
1046
332
1047
333
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())
334
"""Return a `Tree` for the working copy if this is a local branch."""
335
raise NotImplementedError('working_tree is abstract')
1051
336
337
def pull(self, source, overwrite=False, stop_revision=None):
338
raise NotImplementedError('pull is abstract')
1052
339
1053
340
def basis_tree(self):
1054
341
"""Return `Tree` object for last revision.
1055
342
1056
343
If there are no revisions yet, return an `EmptyTree`.
1057
344
"""
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
345
return self.repository.revision_tree(self.last_revision())
1065
346
1066
347
def rename_one(self, from_rel, to_rel):
1067
348
"""Rename one file.
1068
349
1069
350
This can change the directory or the filename or both.
1070
351
"""
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
352
raise NotImplementedError('rename_one is abstract')
1116
353
1117
354
def move(self, from_paths, to_name):
1118
355
"""Rename files.
1124
361
1125
362
Note that to_name is only the last component of the new name;
1126
363
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):
364
365
This returns a list of (from_path, to_path) pairs for each
366
entry that is moved.
367
"""
368
raise NotImplementedError('move is abstract')
369
370
def get_parent(self):
371
"""Return the parent location of the branch.
372
373
This is the default location for push/pull/missing. The usual
374
pattern is that the user can override it by specifying a
375
location.
376
"""
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')
386
387
def set_parent(self, url):
388
raise NotImplementedError('set_parent is abstract')
389
390
def check_revno(self, revno):
391
"""\
392
Check whether a revno corresponds to any revision.
393
Zero (the NULL revision) is considered valid.
394
"""
395
if revno != 0:
396
self.check_real_revno(revno)
397
398
def check_real_revno(self, revno):
399
"""\
400
Check whether a revno corresponds to a real revision.
401
Zero (the NULL revision) is considered invalid
402
"""
403
if revno < 1 or revno > self.revno():
404
raise InvalidRevisionNumber(revno)
405
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
937
if stop_revision is None:
938
stop_revision = other.last_revision()
939
### Should this be checking is_ancestor instead of revision_history?
940
if (stop_revision is not None and
941
stop_revision in self.revision_history()):
942
return
943
greedy_fetch(to_branch=self, from_branch=other,
944
revision=stop_revision)
945
pullable_revs = self.pullable_revisions(other, stop_revision)
946
if len(pullable_revs) > 0:
947
self.append_revision(*pullable_revs)
948
949
def pullable_revisions(self, other, stop_revision):
950
"""See Branch.pullable_revisions."""
951
other_revno = other.revision_id_to_revno(stop_revision)
952
try:
953
return self.missing_revisions(other, other_revno)
954
except DivergedBranches, e:
955
try:
956
pullable_revs = get_intervening_revisions(self.last_revision(),
957
stop_revision,
958
self.repository)
959
assert self.last_revision() not in pullable_revs
960
return pullable_revs
961
except bzrlib.errors.NotAncestor:
962
if is_ancestor(self.last_revision(), stop_revision, self):
963
return []
964
else:
965
raise e
966
967
def basis_tree(self):
968
"""See Branch.basis_tree."""
969
try:
970
revision_id = self.revision_history()[-1]
971
# FIXME: This is an abstraction violation, the basis tree
972
# here as defined is on the working tree, the method should
973
# be too. The basis tree for a branch can be different than
974
# that for a working tree. RBC 20051207
975
xml = self.working_tree().read_basis_inventory(revision_id)
976
inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
977
return RevisionTree(self.repository, inv, revision_id)
978
except (IndexError, NoSuchFile, NoWorkingTree), e:
979
return self.repository.revision_tree(self.last_revision())
980
981
def working_tree(self):
982
"""See Branch.working_tree."""
983
from bzrlib.workingtree import WorkingTree
984
from bzrlib.transport.local import LocalTransport
985
if (self.base.find('://') != -1 or
986
not isinstance(self._transport, LocalTransport)):
987
raise NoWorkingTree(self.base)
988
return WorkingTree(self.base, branch=self)
989
990
@needs_write_lock
991
def pull(self, source, overwrite=False, stop_revision=None):
992
"""See Branch.pull."""
993
source.lock_read()
994
try:
995
old_count = len(self.revision_history())
996
try:
997
self.update_revisions(source,stop_revision)
998
except DivergedBranches:
999
if not overwrite:
1000
raise
1001
if overwrite:
1002
self.set_revision_history(source.revision_history())
1003
new_count = len(self.revision_history())
1004
return new_count - old_count
1005
finally:
1006
source.unlock()
1007
1008
def get_parent(self):
1009
"""See Branch.get_parent."""
1010
import errno
1011
_locs = ['parent', 'pull', 'x-pull']
1012
for l in _locs:
1013
try:
1014
return self.control_files.get_utf8(l).read().strip('\n')
1015
except NoSuchFile:
1016
pass
1017
return None
1018
1019
def get_push_location(self):
1020
"""See Branch.get_push_location."""
1021
config = bzrlib.config.BranchConfig(self)
1022
push_loc = config.get_user_option('push_location')
1023
return push_loc
1024
1025
def set_push_location(self, location):
1026
"""See Branch.set_push_location."""
1027
config = bzrlib.config.LocationConfig(self.base)
1028
config.set_user_option('push_location', location)
1029
1030
@needs_write_lock
1031
def set_parent(self, url):
1032
"""See Branch.set_parent."""
1033
# TODO: Maybe delete old location files?
1034
# URLs should never be unicode, even on the local fs,
1035
# FIXUP this and get_parent in a future branch format bump:
1036
# read and rewrite the file, and have the new format code read
1037
# using .get not .get_utf8. RBC 20060125
1038
self.control_files.put_utf8('parent', url + '\n')
1039
1040
def tree_config(self):
1041
return TreeConfig(self)
1042
1043
def _get_truncated_history(self, revision_id):
1044
history = self.revision_history()
1045
if revision_id is None:
1046
return history
1047
try:
1048
idx = history.index(revision_id)
1049
except ValueError:
1050
raise InvalidRevisionId(revision_id=revision, branch=self)
1051
return history[:idx+1]
1052
1053
@needs_read_lock
1054
def _clone_weave(self, to_location, revision=None, basis_branch=None):
1055
# prevent leakage
1056
from bzrlib.workingtree import WorkingTree
1057
assert isinstance(to_location, basestring)
1058
if basis_branch is not None:
1059
note("basis_branch is not supported for fast weave copy yet.")
1060
1061
history = self._get_truncated_history(revision)
1062
if not bzrlib.osutils.lexists(to_location):
1063
os.mkdir(to_location)
1064
branch_to = Branch.initialize(to_location)
1065
mutter("copy branch from %s to %s", self, branch_to)
1066
1067
self.repository.copy(branch_to.repository)
1068
1069
# must be done *after* history is copied across
1070
# FIXME duplicate code with base .clone().
1071
# .. would template method be useful here? RBC 20051207
1072
branch_to.set_parent(self.base)
1073
branch_to.append_revision(*history)
1074
# FIXME: this should be in workingtree.clone
1075
WorkingTree.create(branch_to, to_location).set_root_id(self.get_root_id())
1076
mutter("copied")
1077
return branch_to
1078
1079
def clone(self, to_location, revision=None, basis_branch=None, to_branch_type=None):
1080
# FIXME: clone via create and fetch is probably faster when versioned
1081
# file comes in.
1082
if to_branch_type is None:
1083
to_branch_type = BzrBranch
1084
1085
if to_branch_type == BzrBranch \
1086
and self.repository.weave_store.listable() \
1087
and self.repository.revision_store.listable():
1088
return self._clone_weave(to_location, revision, basis_branch)
1089
1090
return Branch.clone(self, to_location, revision, basis_branch, to_branch_type)
1091
1092
def fileid_involved_between_revs(self, from_revid, to_revid):
1093
"""Find file_id(s) which are involved in the changes between revisions.
1094
1095
This determines the set of revisions which are involved, and then
1096
finds all file ids affected by those revisions.
1097
"""
1098
# TODO: jam 20060119 This code assumes that w.inclusions will
1099
# always be correct. But because of the presence of ghosts
1100
# it is possible to be wrong.
1101
# One specific example from Robert Collins:
1102
# Two branches, with revisions ABC, and AD
1103
# C is a ghost merge of D.
1104
# Inclusions doesn't recognize D as an ancestor.
1105
# If D is ever merged in the future, the weave
1106
# won't be fixed, because AD never saw revision C
1107
# to cause a conflict which would force a reweave.
1108
w = self.repository.get_inventory_weave()
1109
from_set = set(w.inclusions([w.lookup(from_revid)]))
1110
to_set = set(w.inclusions([w.lookup(to_revid)]))
1111
included = to_set.difference(from_set)
1112
changed = map(w.idx_to_name, included)
1113
return self._fileid_involved_by_set(changed)
1114
1115
def fileid_involved(self, last_revid=None):
1116
"""Find all file_ids modified in the ancestry of last_revid.
1117
1118
:param last_revid: If None, last_revision() will be used.
1119
"""
1120
w = self.repository.get_inventory_weave()
1121
if not last_revid:
1122
changed = set(w._names)
1123
else:
1124
included = w.inclusions([w.lookup(last_revid)])
1125
changed = map(w.idx_to_name, included)
1126
return self._fileid_involved_by_set(changed)
1127
1128
def fileid_involved_by_set(self, changes):
1129
"""Find all file_ids modified by the set of revisions passed in.
1130
1131
:param changes: A set() of revision ids
1132
"""
1133
# TODO: jam 20060119 This line does *nothing*, remove it.
1134
# or better yet, change _fileid_involved_by_set so
1135
# that it takes the inventory weave, rather than
1136
# pulling it out by itself.
1137
w = self.repository.get_inventory_weave()
1138
return self._fileid_involved_by_set(changes)
1139
1140
def _fileid_involved_by_set(self, changes):
1141
"""Find the set of file-ids affected by the set of revisions.
1142
1143
:param changes: A set() of revision ids.
1144
:return: A set() of file ids.
1145
1146
This peaks at the Weave, interpreting each line, looking to
1147
see if it mentions one of the revisions. And if so, includes
1148
the file id mentioned.
1149
This expects both the Weave format, and the serialization
1150
to have a single line per file/directory, and to have
1151
fileid="" and revision="" on that line.
1152
"""
1153
assert (isinstance(self._branch_format, BzrBranchFormat5) or
1154
isinstance(self._branch_format, BzrBranchFormat6)), \
1155
"fileid_involved only supported for branches which store inventory as xml"
1156
1157
w = self.repository.get_inventory_weave()
1158
file_ids = set()
1159
for line in w._weave:
1160
1161
# it is ugly, but it is due to the weave structure
1162
if not isinstance(line, basestring): continue
1163
1164
start = line.find('file_id="')+9
1165
if start < 9: continue
1166
end = line.find('"', start)
1167
assert end>= 0
1168
file_id = xml.sax.saxutils.unescape(line[start:end])
1169
1170
# check if file_id is already present
1171
if file_id in file_ids: continue
1172
1173
start = line.find('revision="')+10
1174
if start < 10: continue
1175
end = line.find('"', start)
1176
assert end>= 0
1177
revision_id = xml.sax.saxutils.unescape(line[start:end])
1178
1179
if revision_id in changes:
1180
file_ids.add(file_id)
1181
1182
return file_ids
1183
1184
1185
Branch.set_default_initializer(BzrBranch._initialize)
1186
1187
1188
class BranchTestProviderAdapter(object):
1189
"""A tool to generate a suite testing multiple branch formats at once.
1190
1191
This is done by copying the test once for each transport and injecting
1192
the transport_server, transport_readonly_server, and branch_format
1193
classes into each copy. Each copy is also given a new id() to make it
1194
easy to identify.
1195
"""
1196
1197
def __init__(self, transport_server, transport_readonly_server, formats):
1198
self._transport_server = transport_server
1199
self._transport_readonly_server = transport_readonly_server
1200
self._formats = formats
1201
1202
def adapt(self, test):
1203
result = TestSuite()
1204
for format in self._formats:
1205
new_test = deepcopy(test)
1206
new_test.transport_server = self._transport_server
1207
new_test.transport_readonly_server = self._transport_readonly_server
1208
new_test.branch_format = format
1209
def make_new_test_id():
1210
new_id = "%s(%s)" % (new_test.id(), format.__class__.__name__)
1211
return lambda: new_id
1212
new_test.id = make_new_test_id()
1213
result.addTest(new_test)
1214
return result
1215
1216
1217
class ScratchBranch(BzrBranch):
1269
1218
"""Special test class: a branch that cleans up after itself.
1270
1219
1271
1220
>>> b = ScratchBranch()
1272
1221
>>> isdir(b.base)
1273
1222
True
1274
1223
>>> bd = b.base
1275
>>> b.destroy()
1224
>>> b._transport.__del__()
1276
1225
>>> isdir(bd)
1277
1226
False
1278
1227
"""
1279
def __init__(self, files=[], dirs=[], base=None):
1228
1229
def __init__(self, files=[], dirs=[], transport=None):
1280
1230
"""Make a test branch.
1281
1231
1282
1232
This creates a temporary directory and runs init-tree in it.
1283
1233
1284
1234
If any files are listed, they are created in the working copy.
1285
1235
"""
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)
1236
if transport is None:
1237
transport = bzrlib.transport.local.ScratchTransport()
1238
# local import for scope restriction
1239
from bzrlib.workingtree import WorkingTree
1240
WorkingTree.create_standalone(transport.base)
1241
super(ScratchBranch, self).__init__(transport)
1242
else:
1243
super(ScratchBranch, self).__init__(transport)
1244
1245
# BzrBranch creates a clone to .bzr and then forgets about the
1246
# original transport. A ScratchTransport() deletes itself and
1247
# everything underneath it when it goes away, so we need to
1248
# grab a local copy to prevent that from happening
1249
self._transport = transport
1250
1292
1251
for d in dirs:
1293
os.mkdir(self.abspath(d))
1252
self._transport.mkdir(d)
1294
1253
1295
1254
for f in files:
1296
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1297
1255
self._transport.put(f, 'content of %s' % f)
1298
1256
1299
1257
def clone(self):
1300
1258
"""
1301
1259
>>> orig = ScratchBranch(files=["file1", "file2"])
1260
>>> os.listdir(orig.base)
1261
[u'.bzr', u'file1', u'file2']
1302
1262
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1263
>>> if os.name != 'nt':
1264
... os.path.samefile(orig.base, clone.base)
1265
... else:
1266
... orig.base == clone.base
1267
...
1304
1268
False
1305
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1306
True
1269
>>> os.listdir(clone.base)
1270
[u'.bzr', u'file1', u'file2']
1307
1271
"""
1308
1272
from shutil import copytree
1309
from tempfile import mkdtemp
1273
from bzrlib.osutils import mkdtemp
1310
1274
base = mkdtemp()
1311
1275
os.rmdir(base)
1312
1276
copytree(self.base, base, symlinks=True)
1313
return ScratchBranch(base=base)
1314
1315
def __del__(self):
1316
self.destroy()
1317
1318
def destroy(self):
1319
"""Destroy the test branch, removing the scratch directory."""
1320
from shutil import rmtree
1321
try:
1322
if self.base:
1323
mutter("delete ScratchBranch %s" % self.base)
1324
rmtree(self.base)
1325
except OSError, e:
1326
# Work around for shutil.rmtree failing on Windows when
1327
# readonly files are encountered
1328
mutter("hit exception in destroying ScratchBranch: %s" % e)
1329
for root, dirs, files in os.walk(self.base, topdown=False):
1330
for name in files:
1331
os.chmod(os.path.join(root, name), 0700)
1332
rmtree(self.base)
1333
self.base = None
1334
1277
return ScratchBranch(
1278
transport=bzrlib.transport.local.ScratchTransport(base))
1335
1279
1336
1280
1337
1281
######################################################################
1340
1284
1341
1285
def is_control_file(filename):
1342
1286
## FIXME: better check
1343
filename = os.path.normpath(filename)
1287
filename = normpath(filename)
1344
1288
while filename != '':
1345
1289
head, tail = os.path.split(filename)
1346
## mutter('check %r for control file' % ((head, tail), ))
1290
## mutter('check %r for control file' % ((head, tail),))
1347
1291
if tail == bzrlib.BZRDIR:
1348
1292
return True
1349
1293
if filename == head:
1350
1294
break
1351
1295
filename = head
1352
1296
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
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0