« back to all changes in this revision
Viewing changes to bzrlib/branch.py
- browse files at revision 1185.74.22
- compare with another revision
- download diff
- download tarball
- view history from revision 1185.74.22
- Committer: James Blackwell
- Date: 2006-01-30 04:37:01 UTC
- mfrom: (1549 bzr.dev (Main development branch))
- mto: (1185.50.63 bzr-jam-integration)
- mto: This revision was merged to the branch mainline in revision 1554.
- Revision ID: jblack@merconline.com-20060130043701-46ceed1e4710a352
Merged mailine
- files added:
- BRANCH.TODO
- bzrlib/export
- bzrlib/plugins
- bzrlib/store
- bzrlib/tests/blackbox
- bzrlib/transport
- bzrlib/ui
- bzrlib/util
- bzrlib/util/configobj
- bzrlib/util/configobj/docs
- bzrlib/util/effbot
- bzrlib/util/effbot/org
- contrib/emacs
- tools
- tools/doc_generate
- files removed:
- bzrlib/mdiff.py
- files renamed:
- bzrlib/store.py => bzrlib/store/__init__.py
- bzrlib/selftest/ => bzrlib/tests/
- bzrlib/selftest/blackbox.py => bzrlib/tests/blackbox/test_too_much.py
- bzrlib/selftest/whitebox.py => bzrlib/tests/test_whitebox.py
- 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
import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
19
import traceback, socket, fnmatch, difflib, time
20
from binascii import hexlify
18
import shutil
19
import sys
20
import os
21
import errno
22
from warnings import warn
23
import xml.sax.saxutils
24
from cStringIO import StringIO
25
21
26
22
27
import bzrlib
23
from inventory import Inventory
24
from trace import mutter, note
25
from tree import Tree, EmptyTree, RevisionTree
26
from inventory import InventoryEntry, Inventory
27
from osutils import isdir, quotefn, isfile, uuid, sha_file, username, \
28
format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
29
joinpath, sha_file, sha_string, file_kind, local_time_offset, appendpath
30
from store import ImmutableStore
31
from revision import Revision
32
from errors import BzrError
33
from textui import show_status
34
35
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
28
import bzrlib.inventory as inventory
29
from bzrlib.trace import mutter, note
30
from bzrlib.osutils import (isdir, quotefn,
31
rename, splitpath, sha_file,
32
file_kind, abspath, normpath, pathjoin)
33
import bzrlib.errors as errors
34
from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
35
NoSuchRevision, HistoryMissing, NotBranchError,
36
DivergedBranches, LockError, UnlistableStore,
37
UnlistableBranch, NoSuchFile, NotVersionedError,
38
NoWorkingTree)
39
from bzrlib.textui import show_status
40
from bzrlib.revision import (Revision, is_ancestor, get_intervening_revisions,
41
NULL_REVISION)
42
43
from bzrlib.delta import compare_trees
44
from bzrlib.tree import EmptyTree, RevisionTree
45
from bzrlib.inventory import Inventory
46
from bzrlib.store import copy_all
47
from bzrlib.store.text import TextStore
48
from bzrlib.store.weave import WeaveStore
49
from bzrlib.testament import Testament
50
import bzrlib.transactions as transactions
51
from bzrlib.transport import Transport, get_transport
52
import bzrlib.xml5
53
import bzrlib.ui
54
from config import TreeConfig
55
56
57
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
58
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
59
BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
36
60
## TODO: Maybe include checks for common corruption of newlines, etc?
37
61
38
62
39
40
def find_branch(f, **args):
41
if f and (f.startswith('http://') or f.startswith('https://')):
42
import remotebranch
43
return remotebranch.RemoteBranch(f, **args)
44
else:
45
return Branch(f, **args)
46
47
48
49
def _relpath(base, path):
50
"""Return path relative to base, or raise exception.
51
52
The path may be either an absolute path or a path relative to the
53
current working directory.
54
55
Lifted out of Branch.relpath for ease of testing.
56
57
os.path.commonprefix (python2.4) has a bad bug that it works just
58
on string prefixes, assuming that '/u' is a prefix of '/u2'. This
59
avoids that problem."""
60
rp = os.path.abspath(path)
61
62
s = []
63
head = rp
64
while len(head) >= len(base):
65
if head == base:
66
break
67
head, tail = os.path.split(head)
68
if tail:
69
s.insert(0, tail)
70
else:
71
from errors import NotBranchError
72
raise NotBranchError("path %r is not within branch %r" % (rp, base))
73
74
return os.sep.join(s)
75
76
77
def find_branch_root(f=None):
78
"""Find the branch root enclosing f, or pwd.
79
80
f may be a filename or a URL.
81
82
It is not necessary that f exists.
83
84
Basically we keep looking up until we find the control directory or
85
run into the root."""
86
if f == None:
87
f = os.getcwd()
88
elif hasattr(os.path, 'realpath'):
89
f = os.path.realpath(f)
90
else:
91
f = os.path.abspath(f)
92
if not os.path.exists(f):
93
raise BzrError('%r does not exist' % f)
94
95
96
orig_f = f
97
98
while True:
99
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
100
return f
101
head, tail = os.path.split(f)
102
if head == f:
103
# reached the root, whatever that may be
104
raise BzrError('%r is not in a branch' % orig_f)
105
f = head
106
107
class DivergedBranches(Exception):
108
def __init__(self, branch1, branch2):
109
self.branch1 = branch1
110
self.branch2 = branch2
111
Exception.__init__(self, "These branches have diverged.")
112
113
114
class NoSuchRevision(BzrError):
115
def __init__(self, branch, revision):
116
self.branch = branch
117
self.revision = revision
118
msg = "Branch %s has no revision %d" % (branch, revision)
119
BzrError.__init__(self, msg)
120
63
# TODO: Some operations like log might retrieve the same revisions
64
# repeatedly to calculate deltas. We could perhaps have a weakref
65
# cache in memory to make this faster. In general anything can be
66
# cached in memory between lock and unlock operations.
67
68
def find_branch(*ignored, **ignored_too):
69
# XXX: leave this here for about one release, then remove it
70
raise NotImplementedError('find_branch() is not supported anymore, '
71
'please use one of the new branch constructors')
72
73
74
def needs_read_lock(unbound):
75
"""Decorate unbound to take out and release a read lock."""
76
def decorated(self, *args, **kwargs):
77
self.lock_read()
78
try:
79
return unbound(self, *args, **kwargs)
80
finally:
81
self.unlock()
82
return decorated
83
84
85
def needs_write_lock(unbound):
86
"""Decorate unbound to take out and release a write lock."""
87
def decorated(self, *args, **kwargs):
88
self.lock_write()
89
try:
90
return unbound(self, *args, **kwargs)
91
finally:
92
self.unlock()
93
return decorated
121
94
122
95
######################################################################
123
96
# branch objects
126
99
"""Branch holding a history of revisions.
127
100
128
101
base
129
Base directory of the branch.
102
Base directory/url of the branch.
103
"""
104
base = None
105
106
def __init__(self, *ignored, **ignored_too):
107
raise NotImplementedError('The Branch class is abstract')
108
109
@staticmethod
110
def open_downlevel(base):
111
"""Open a branch which may be of an old format.
112
113
Only local branches are supported."""
114
return BzrBranch(get_transport(base), relax_version_check=True)
115
116
@staticmethod
117
def open(base):
118
"""Open an existing branch, rooted at 'base' (url)"""
119
t = get_transport(base)
120
mutter("trying to open %r with transport %r", base, t)
121
return BzrBranch(t)
122
123
@staticmethod
124
def open_containing(url):
125
"""Open an existing branch which contains url.
126
127
This probes for a branch at url, and searches upwards from there.
128
129
Basically we keep looking up until we find the control directory or
130
run into the root. If there isn't one, raises NotBranchError.
131
If there is one, it is returned, along with the unused portion of url.
132
"""
133
t = get_transport(url)
134
while True:
135
try:
136
return BzrBranch(t), t.relpath(url)
137
except NotBranchError, e:
138
mutter('not a branch in: %r %s', t.base, e)
139
new_t = t.clone('..')
140
if new_t.base == t.base:
141
# reached the root, whatever that may be
142
raise NotBranchError(path=url)
143
t = new_t
144
145
@staticmethod
146
def initialize(base):
147
"""Create a new branch, rooted at 'base' (url)"""
148
t = get_transport(base)
149
return BzrBranch(t, init=True)
150
151
def setup_caching(self, cache_root):
152
"""Subclasses that care about caching should override this, and set
153
up cached stores located under cache_root.
154
"""
155
self.cache_root = cache_root
156
157
def _get_nick(self):
158
cfg = self.tree_config()
159
return cfg.get_option(u"nickname", default=self.base.split('/')[-2])
160
161
def _set_nick(self, nick):
162
cfg = self.tree_config()
163
cfg.set_option(nick, "nickname")
164
assert cfg.get_option("nickname") == nick
165
166
nick = property(_get_nick, _set_nick)
167
168
def push_stores(self, branch_to):
169
"""Copy the content of this branches store to branch_to."""
170
raise NotImplementedError('push_stores is abstract')
171
172
def get_transaction(self):
173
"""Return the current active transaction.
174
175
If no transaction is active, this returns a passthrough object
176
for which all data is immediately flushed and no caching happens.
177
"""
178
raise NotImplementedError('get_transaction is abstract')
179
180
def lock_write(self):
181
raise NotImplementedError('lock_write is abstract')
182
183
def lock_read(self):
184
raise NotImplementedError('lock_read is abstract')
185
186
def unlock(self):
187
raise NotImplementedError('unlock is abstract')
188
189
def abspath(self, name):
190
"""Return absolute filename for something in the branch
191
192
XXX: Robert Collins 20051017 what is this used for? why is it a branch
193
method and not a tree method.
194
"""
195
raise NotImplementedError('abspath is abstract')
196
197
def controlfilename(self, file_or_path):
198
"""Return location relative to branch."""
199
raise NotImplementedError('controlfilename is abstract')
200
201
def controlfile(self, file_or_path, mode='r'):
202
"""Open a control file for this branch.
203
204
There are two classes of file in the control directory: text
205
and binary. binary files are untranslated byte streams. Text
206
control files are stored with Unix newlines and in UTF-8, even
207
if the platform or locale defaults are different.
208
209
Controlfiles should almost never be opened in write mode but
210
rather should be atomically copied and replaced using atomicfile.
211
"""
212
raise NotImplementedError('controlfile is abstract')
213
214
def put_controlfile(self, path, f, encode=True):
215
"""Write an entry as a controlfile.
216
217
:param path: The path to put the file, relative to the .bzr control
218
directory
219
:param f: A file-like or string object whose contents should be copied.
220
:param encode: If true, encode the contents as utf-8
221
"""
222
raise NotImplementedError('put_controlfile is abstract')
223
224
def put_controlfiles(self, files, encode=True):
225
"""Write several entries as controlfiles.
226
227
:param files: A list of [(path, file)] pairs, where the path is the directory
228
underneath the bzr control directory
229
:param encode: If true, encode the contents as utf-8
230
"""
231
raise NotImplementedError('put_controlfiles is abstract')
232
233
def get_root_id(self):
234
"""Return the id of this branches root"""
235
raise NotImplementedError('get_root_id is abstract')
236
237
def set_root_id(self, file_id):
238
raise NotImplementedError('set_root_id is abstract')
239
240
def print_file(self, file, revision_id):
241
"""Print `file` to stdout."""
242
raise NotImplementedError('print_file is abstract')
243
244
def append_revision(self, *revision_ids):
245
raise NotImplementedError('append_revision is abstract')
246
247
def set_revision_history(self, rev_history):
248
raise NotImplementedError('set_revision_history is abstract')
249
250
def has_revision(self, revision_id):
251
"""True if this branch has a copy of the revision.
252
253
This does not necessarily imply the revision is merge
254
or on the mainline."""
255
raise NotImplementedError('has_revision is abstract')
256
257
def get_revision_xml(self, revision_id):
258
raise NotImplementedError('get_revision_xml is abstract')
259
260
def get_revision(self, revision_id):
261
"""Return the Revision object for a named revision"""
262
raise NotImplementedError('get_revision is abstract')
263
264
def get_revision_delta(self, revno):
265
"""Return the delta for one revision.
266
267
The delta is relative to its mainline predecessor, or the
268
empty tree for revision 1.
269
"""
270
assert isinstance(revno, int)
271
rh = self.revision_history()
272
if not (1 <= revno <= len(rh)):
273
raise InvalidRevisionNumber(revno)
274
275
# revno is 1-based; list is 0-based
276
277
new_tree = self.revision_tree(rh[revno-1])
278
if revno == 1:
279
old_tree = EmptyTree()
280
else:
281
old_tree = self.revision_tree(rh[revno-2])
282
283
return compare_trees(old_tree, new_tree)
284
285
def get_revision_sha1(self, revision_id):
286
"""Hash the stored value of a revision, and return it."""
287
raise NotImplementedError('get_revision_sha1 is abstract')
288
289
def get_ancestry(self, revision_id):
290
"""Return a list of revision-ids integrated by a revision.
291
292
This currently returns a list, but the ordering is not guaranteed:
293
treat it as a set.
294
"""
295
raise NotImplementedError('get_ancestry is abstract')
296
297
def get_inventory(self, revision_id):
298
"""Get Inventory object by hash."""
299
raise NotImplementedError('get_inventory is abstract')
300
301
def get_inventory_xml(self, revision_id):
302
"""Get inventory XML as a file object."""
303
raise NotImplementedError('get_inventory_xml is abstract')
304
305
def get_inventory_sha1(self, revision_id):
306
"""Return the sha1 hash of the inventory entry."""
307
raise NotImplementedError('get_inventory_sha1 is abstract')
308
309
def get_revision_inventory(self, revision_id):
310
"""Return inventory of a past revision."""
311
raise NotImplementedError('get_revision_inventory is abstract')
312
313
def revision_history(self):
314
"""Return sequence of revision hashes on to this branch."""
315
raise NotImplementedError('revision_history is abstract')
316
317
def revno(self):
318
"""Return current revision number for this branch.
319
320
That is equivalent to the number of revisions committed to
321
this branch.
322
"""
323
return len(self.revision_history())
324
325
def last_revision(self):
326
"""Return last patch hash, or None if no history."""
327
ph = self.revision_history()
328
if ph:
329
return ph[-1]
330
else:
331
return None
332
333
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
334
"""Return a list of new revisions that would perfectly fit.
335
336
If self and other have not diverged, return a list of the revisions
337
present in other, but missing from self.
338
339
>>> from bzrlib.commit import commit
340
>>> bzrlib.trace.silent = True
341
>>> br1 = ScratchBranch()
342
>>> br2 = ScratchBranch()
343
>>> br1.missing_revisions(br2)
344
[]
345
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
346
>>> br1.missing_revisions(br2)
347
[u'REVISION-ID-1']
348
>>> br2.missing_revisions(br1)
349
[]
350
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
351
>>> br1.missing_revisions(br2)
352
[]
353
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
354
>>> br1.missing_revisions(br2)
355
[u'REVISION-ID-2A']
356
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
357
>>> br1.missing_revisions(br2)
358
Traceback (most recent call last):
359
DivergedBranches: These branches have diverged. Try merge.
360
"""
361
self_history = self.revision_history()
362
self_len = len(self_history)
363
other_history = other.revision_history()
364
other_len = len(other_history)
365
common_index = min(self_len, other_len) -1
366
if common_index >= 0 and \
367
self_history[common_index] != other_history[common_index]:
368
raise DivergedBranches(self, other)
369
370
if stop_revision is None:
371
stop_revision = other_len
372
else:
373
assert isinstance(stop_revision, int)
374
if stop_revision > other_len:
375
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
376
return other_history[self_len:stop_revision]
377
378
def update_revisions(self, other, stop_revision=None):
379
"""Pull in new perfect-fit revisions."""
380
raise NotImplementedError('update_revisions is abstract')
381
382
def pullable_revisions(self, other, stop_revision):
383
raise NotImplementedError('pullable_revisions is abstract')
384
385
def revision_id_to_revno(self, revision_id):
386
"""Given a revision id, return its revno"""
387
if revision_id is None:
388
return 0
389
history = self.revision_history()
390
try:
391
return history.index(revision_id) + 1
392
except ValueError:
393
raise bzrlib.errors.NoSuchRevision(self, revision_id)
394
395
def get_rev_id(self, revno, history=None):
396
"""Find the revision id of the specified revno."""
397
if revno == 0:
398
return None
399
if history is None:
400
history = self.revision_history()
401
elif revno <= 0 or revno > len(history):
402
raise bzrlib.errors.NoSuchRevision(self, revno)
403
return history[revno - 1]
404
405
def revision_tree(self, revision_id):
406
"""Return Tree for a revision on this branch.
407
408
`revision_id` may be None for the null revision, in which case
409
an `EmptyTree` is returned."""
410
raise NotImplementedError('revision_tree is abstract')
411
412
def working_tree(self):
413
"""Return a `Tree` for the working copy if this is a local branch."""
414
raise NotImplementedError('working_tree is abstract')
415
416
def pull(self, source, overwrite=False):
417
raise NotImplementedError('pull is abstract')
418
419
def basis_tree(self):
420
"""Return `Tree` object for last revision.
421
422
If there are no revisions yet, return an `EmptyTree`.
423
"""
424
return self.revision_tree(self.last_revision())
425
426
def rename_one(self, from_rel, to_rel):
427
"""Rename one file.
428
429
This can change the directory or the filename or both.
430
"""
431
raise NotImplementedError('rename_one is abstract')
432
433
def move(self, from_paths, to_name):
434
"""Rename files.
435
436
to_name must exist as a versioned directory.
437
438
If to_name exists and is a directory, the files are moved into
439
it, keeping their old names. If it is a directory,
440
441
Note that to_name is only the last component of the new name;
442
this doesn't change the directory.
443
444
This returns a list of (from_path, to_path) pairs for each
445
entry that is moved.
446
"""
447
raise NotImplementedError('move is abstract')
448
449
def get_parent(self):
450
"""Return the parent location of the branch.
451
452
This is the default location for push/pull/missing. The usual
453
pattern is that the user can override it by specifying a
454
location.
455
"""
456
raise NotImplementedError('get_parent is abstract')
457
458
def get_push_location(self):
459
"""Return the None or the location to push this branch to."""
460
raise NotImplementedError('get_push_location is abstract')
461
462
def set_push_location(self, location):
463
"""Set a new push location for this branch."""
464
raise NotImplementedError('set_push_location is abstract')
465
466
def set_parent(self, url):
467
raise NotImplementedError('set_parent is abstract')
468
469
def check_revno(self, revno):
470
"""\
471
Check whether a revno corresponds to any revision.
472
Zero (the NULL revision) is considered valid.
473
"""
474
if revno != 0:
475
self.check_real_revno(revno)
476
477
def check_real_revno(self, revno):
478
"""\
479
Check whether a revno corresponds to a real revision.
480
Zero (the NULL revision) is considered invalid
481
"""
482
if revno < 1 or revno > self.revno():
483
raise InvalidRevisionNumber(revno)
484
485
def sign_revision(self, revision_id, gpg_strategy):
486
raise NotImplementedError('sign_revision is abstract')
487
488
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
489
raise NotImplementedError('store_revision_signature is abstract')
490
491
def fileid_involved_between_revs(self, from_revid, to_revid):
492
""" This function returns the file_id(s) involved in the
493
changes between the from_revid revision and the to_revid
494
revision
495
"""
496
raise NotImplementedError('fileid_involved_between_revs is abstract')
497
498
def fileid_involved(self, last_revid=None):
499
""" This function returns the file_id(s) involved in the
500
changes up to the revision last_revid
501
If no parametr is passed, then all file_id[s] present in the
502
repository are returned
503
"""
504
raise NotImplementedError('fileid_involved is abstract')
505
506
def fileid_involved_by_set(self, changes):
507
""" This function returns the file_id(s) involved in the
508
changes present in the set 'changes'
509
"""
510
raise NotImplementedError('fileid_involved_by_set is abstract')
511
512
def fileid_involved_between_revs(self, from_revid, to_revid):
513
""" This function returns the file_id(s) involved in the
514
changes between the from_revid revision and the to_revid
515
revision
516
"""
517
raise NotImplementedError('fileid_involved_between_revs is abstract')
518
519
def fileid_involved(self, last_revid=None):
520
""" This function returns the file_id(s) involved in the
521
changes up to the revision last_revid
522
If no parametr is passed, then all file_id[s] present in the
523
repository are returned
524
"""
525
raise NotImplementedError('fileid_involved is abstract')
526
527
def fileid_involved_by_set(self, changes):
528
""" This function returns the file_id(s) involved in the
529
changes present in the set 'changes'
530
"""
531
raise NotImplementedError('fileid_involved_by_set is abstract')
532
533
534
class BzrBranch(Branch):
535
"""A branch stored in the actual filesystem.
536
537
Note that it's "local" in the context of the filesystem; it doesn't
538
really matter if it's on an nfs/smb/afs/coda/... share, as long as
539
it's writable, and can be accessed via the normal filesystem API.
130
540
131
541
_lock_mode
132
542
None, or 'r' or 'w'
138
548
_lock
139
549
Lock object from bzrlib.lock.
140
550
"""
141
base = None
551
# We actually expect this class to be somewhat short-lived; part of its
552
# purpose is to try to isolate what bits of the branch logic are tied to
553
# filesystem access, so that in a later step, we can extricate them to
554
# a separarte ("storage") class.
142
555
_lock_mode = None
143
556
_lock_count = None
144
557
_lock = None
558
_inventory_weave = None
559
# If set to False (by a plugin, etc) BzrBranch will not set the
560
# mode on created files or directories
561
_set_file_mode = True
562
_set_dir_mode = True
145
563
146
def __init__(self, base, init=False, find_root=True):
564
# Map some sort of prefix into a namespace
565
# stuff like "revno:10", "revid:", etc.
566
# This should match a prefix with a function which accepts
567
REVISION_NAMESPACES = {}
568
569
def push_stores(self, branch_to):
570
"""See Branch.push_stores."""
571
if (self._branch_format != branch_to._branch_format
572
or self._branch_format != 4):
573
from bzrlib.fetch import greedy_fetch
574
mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
575
self, self._branch_format, branch_to, branch_to._branch_format)
576
greedy_fetch(to_branch=branch_to, from_branch=self,
577
revision=self.last_revision())
578
return
579
580
store_pairs = ((self.text_store, branch_to.text_store),
581
(self.inventory_store, branch_to.inventory_store),
582
(self.revision_store, branch_to.revision_store))
583
try:
584
for from_store, to_store in store_pairs:
585
copy_all(from_store, to_store)
586
except UnlistableStore:
587
raise UnlistableBranch(from_store)
588
589
def __init__(self, transport, init=False,
590
relax_version_check=False):
147
591
"""Create new branch object at a particular location.
148
592
149
base -- Base directory for the branch.
593
transport -- A Transport object, defining how to access files.
150
594
151
595
init -- If True, create new control files in a previously
152
596
unversioned directory. If False, the branch must already
153
597
be versioned.
154
598
155
find_root -- If true and init is false, find the root of the
156
existing branch containing base.
599
relax_version_check -- If true, the usual check for the branch
600
version is not applied. This is intended only for
601
upgrade/recovery type use; it's not guaranteed that
602
all operations will work on old format branches.
157
603
158
604
In the test suite, creation of new trees is tested using the
159
605
`ScratchBranch` class.
160
606
"""
607
assert isinstance(transport, Transport), \
608
"%r is not a Transport" % transport
609
self._transport = transport
161
610
if init:
162
self.base = os.path.realpath(base)
163
611
self._make_control()
164
elif find_root:
165
self.base = find_branch_root(base)
166
else:
167
self.base = os.path.realpath(base)
168
if not isdir(self.controlfilename('.')):
169
from errors import NotBranchError
170
raise NotBranchError("not a bzr branch: %s" % quotefn(base),
171
['use "bzr init" to initialize a new working tree',
172
'current bzr can only operate from top-of-tree'])
173
self._check_format()
174
175
self.text_store = ImmutableStore(self.controlfilename('text-store'))
176
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
177
self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
178
612
self._check_format(relax_version_check)
613
self._find_modes()
614
615
def get_store(name, compressed=True, prefixed=False):
616
relpath = self._rel_controlfilename(unicode(name))
617
store = TextStore(self._transport.clone(relpath),
618
dir_mode=self._dir_mode,
619
file_mode=self._file_mode,
620
prefixed=prefixed,
621
compressed=compressed)
622
return store
623
624
def get_weave(name, prefixed=False):
625
relpath = self._rel_controlfilename(unicode(name))
626
ws = WeaveStore(self._transport.clone(relpath),
627
prefixed=prefixed,
628
dir_mode=self._dir_mode,
629
file_mode=self._file_mode)
630
if self._transport.should_cache():
631
ws.enable_cache = True
632
return ws
633
634
if self._branch_format == 4:
635
self.inventory_store = get_store('inventory-store')
636
self.text_store = get_store('text-store')
637
self.revision_store = get_store('revision-store')
638
elif self._branch_format == 5:
639
self.control_weaves = get_weave(u'')
640
self.weave_store = get_weave(u'weaves')
641
self.revision_store = get_store(u'revision-store', compressed=False)
642
elif self._branch_format == 6:
643
self.control_weaves = get_weave(u'')
644
self.weave_store = get_weave(u'weaves', prefixed=True)
645
self.revision_store = get_store(u'revision-store', compressed=False,
646
prefixed=True)
647
self.revision_store.register_suffix('sig')
648
self._transaction = None
179
649
180
650
def __str__(self):
181
return '%s(%r)' % (self.__class__.__name__, self.base)
182
651
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
183
652
184
653
__repr__ = __str__
185
654
186
187
655
def __del__(self):
188
656
if self._lock_mode or self._lock:
189
from warnings import warn
657
# XXX: This should show something every time, and be suitable for
658
# headless operation and embedding
190
659
warn("branch %r was not explicitly unlocked" % self)
191
660
self._lock.unlock()
192
661
193
662
# TODO: It might be best to do this somewhere else,
663
# but it is nice for a Branch object to automatically
664
# cache it's information.
665
# Alternatively, we could have the Transport objects cache requests
666
# See the earlier discussion about how major objects (like Branch)
667
# should never expect their __del__ function to run.
668
if hasattr(self, 'cache_root') and self.cache_root is not None:
669
try:
670
shutil.rmtree(self.cache_root)
671
except:
672
pass
673
self.cache_root = None
674
675
def _get_base(self):
676
if self._transport:
677
return self._transport.base
678
return None
679
680
base = property(_get_base, doc="The URL for the root of this branch.")
681
682
def _finish_transaction(self):
683
"""Exit the current transaction."""
684
if self._transaction is None:
685
raise errors.LockError('Branch %s is not in a transaction' %
686
self)
687
transaction = self._transaction
688
self._transaction = None
689
transaction.finish()
690
691
def get_transaction(self):
692
"""See Branch.get_transaction."""
693
if self._transaction is None:
694
return transactions.PassThroughTransaction()
695
else:
696
return self._transaction
697
698
def _set_transaction(self, new_transaction):
699
"""Set a new active transaction."""
700
if self._transaction is not None:
701
raise errors.LockError('Branch %s is in a transaction already.' %
702
self)
703
self._transaction = new_transaction
194
704
195
705
def lock_write(self):
706
#mutter("lock write: %s (%s)", self, self._lock_count)
707
# TODO: Upgrade locking to support using a Transport,
708
# and potentially a remote locking protocol
196
709
if self._lock_mode:
197
710
if self._lock_mode != 'w':
198
from errors import LockError
199
711
raise LockError("can't upgrade to a write lock from %r" %
200
712
self._lock_mode)
201
713
self._lock_count += 1
202
714
else:
203
from bzrlib.lock import WriteLock
204
205
self._lock = WriteLock(self.controlfilename('branch-lock'))
715
self._lock = self._transport.lock_write(
716
self._rel_controlfilename('branch-lock'))
206
717
self._lock_mode = 'w'
207
718
self._lock_count = 1
208
209
719
self._set_transaction(transactions.PassThroughTransaction())
210
720
211
721
def lock_read(self):
722
#mutter("lock read: %s (%s)", self, self._lock_count)
212
723
if self._lock_mode:
213
724
assert self._lock_mode in ('r', 'w'), \
214
725
"invalid lock mode %r" % self._lock_mode
215
726
self._lock_count += 1
216
727
else:
217
from bzrlib.lock import ReadLock
218
219
self._lock = ReadLock(self.controlfilename('branch-lock'))
728
self._lock = self._transport.lock_read(
729
self._rel_controlfilename('branch-lock'))
220
730
self._lock_mode = 'r'
221
731
self._lock_count = 1
732
self._set_transaction(transactions.ReadOnlyTransaction())
733
# 5K may be excessive, but hey, its a knob.
734
self.get_transaction().set_cache_size(5000)
222
735
223
224
225
736
def unlock(self):
737
#mutter("unlock: %s (%s)", self, self._lock_count)
226
738
if not self._lock_mode:
227
from errors import LockError
228
739
raise LockError('branch %r is not locked' % (self))
229
740
230
741
if self._lock_count > 1:
231
742
self._lock_count -= 1
232
743
else:
744
self._finish_transaction()
233
745
self._lock.unlock()
234
746
self._lock = None
235
747
self._lock_mode = self._lock_count = None
236
748
237
238
749
def abspath(self, name):
239
"""Return absolute filename for something in the branch"""
240
return os.path.join(self.base, name)
241
242
243
def relpath(self, path):
244
"""Return path relative to this branch of something inside it.
245
246
Raises an error if path is not in this branch."""
247
return _relpath(self.base, path)
248
750
"""See Branch.abspath."""
751
return self._transport.abspath(name)
752
753
def _rel_controlfilename(self, file_or_path):
754
if not isinstance(file_or_path, basestring):
755
file_or_path = u'/'.join(file_or_path)
756
if file_or_path == '':
757
return bzrlib.BZRDIR
758
return bzrlib.transport.urlescape(bzrlib.BZRDIR + u'/' + file_or_path)
249
759
250
760
def controlfilename(self, file_or_path):
251
"""Return location relative to branch."""
252
if isinstance(file_or_path, types.StringTypes):
253
file_or_path = [file_or_path]
254
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
255
761
"""See Branch.controlfilename."""
762
return self._transport.abspath(self._rel_controlfilename(file_or_path))
256
763
257
764
def controlfile(self, file_or_path, mode='r'):
258
"""Open a control file for this branch.
259
260
There are two classes of file in the control directory: text
261
and binary. binary files are untranslated byte streams. Text
262
control files are stored with Unix newlines and in UTF-8, even
263
if the platform or locale defaults are different.
264
265
Controlfiles should almost never be opened in write mode but
266
rather should be atomically copied and replaced using atomicfile.
267
"""
268
269
fn = self.controlfilename(file_or_path)
270
271
if mode == 'rb' or mode == 'wb':
272
return file(fn, mode)
273
elif mode == 'r' or mode == 'w':
274
# open in binary mode anyhow so there's no newline translation;
275
# codecs uses line buffering by default; don't want that.
276
import codecs
277
return codecs.open(fn, mode + 'b', 'utf-8',
278
buffering=60000)
765
"""See Branch.controlfile."""
766
import codecs
767
768
relpath = self._rel_controlfilename(file_or_path)
769
#TODO: codecs.open() buffers linewise, so it was overloaded with
770
# a much larger buffer, do we need to do the same for getreader/getwriter?
771
if mode == 'rb':
772
return self._transport.get(relpath)
773
elif mode == 'wb':
774
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
775
elif mode == 'r':
776
# XXX: Do we really want errors='replace'? Perhaps it should be
777
# an error, or at least reported, if there's incorrectly-encoded
778
# data inside a file.
779
# <https://launchpad.net/products/bzr/+bug/3823>
780
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
781
elif mode == 'w':
782
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
279
783
else:
280
784
raise BzrError("invalid controlfile mode %r" % mode)
281
785
282
786
def put_controlfile(self, path, f, encode=True):
787
"""See Branch.put_controlfile."""
788
self.put_controlfiles([(path, f)], encode=encode)
789
790
def put_controlfiles(self, files, encode=True):
791
"""See Branch.put_controlfiles."""
792
import codecs
793
ctrl_files = []
794
for path, f in files:
795
if encode:
796
if isinstance(f, basestring):
797
f = f.encode('utf-8', 'replace')
798
else:
799
f = codecs.getwriter('utf-8')(f, errors='replace')
800
path = self._rel_controlfilename(path)
801
ctrl_files.append((path, f))
802
self._transport.put_multi(ctrl_files, mode=self._file_mode)
803
804
def _find_modes(self, path=None):
805
"""Determine the appropriate modes for files and directories."""
806
try:
807
if path is None:
808
path = self._rel_controlfilename('')
809
st = self._transport.stat(path)
810
except errors.TransportNotPossible:
811
self._dir_mode = 0755
812
self._file_mode = 0644
813
else:
814
self._dir_mode = st.st_mode & 07777
815
# Remove the sticky and execute bits for files
816
self._file_mode = self._dir_mode & ~07111
817
if not self._set_dir_mode:
818
self._dir_mode = None
819
if not self._set_file_mode:
820
self._file_mode = None
283
821
284
822
def _make_control(self):
285
os.mkdir(self.controlfilename([]))
286
self.controlfile('README', 'w').write(
823
from bzrlib.inventory import Inventory
824
from bzrlib.weavefile import write_weave_v5
825
from bzrlib.weave import Weave
826
827
# Create an empty inventory
828
sio = StringIO()
829
# if we want per-tree root ids then this is the place to set
830
# them; they're not needed for now and so ommitted for
831
# simplicity.
832
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
833
empty_inv = sio.getvalue()
834
sio = StringIO()
835
bzrlib.weavefile.write_weave_v5(Weave(), sio)
836
empty_weave = sio.getvalue()
837
838
cfn = self._rel_controlfilename
839
# Since we don't have a .bzr directory, inherit the
840
# mode from the root directory
841
self._find_modes(u'.')
842
843
dirs = ['', 'revision-store', 'weaves']
844
files = [('README',
287
845
"This is a Bazaar-NG control directory.\n"
288
"Do not change any files in this directory.\n")
289
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
290
for d in ('text-store', 'inventory-store', 'revision-store'):
291
os.mkdir(self.controlfilename(d))
292
for f in ('revision-history', 'merged-patches',
293
'pending-merged-patches', 'branch-name',
294
'branch-lock'):
295
self.controlfile(f, 'w').write('')
296
mutter('created control directory in ' + self.base)
297
Inventory().write_xml(self.controlfile('inventory','w'))
298
299
300
def _check_format(self):
846
"Do not change any files in this directory.\n"),
847
('branch-format', BZR_BRANCH_FORMAT_6),
848
('revision-history', ''),
849
('branch-name', ''),
850
('branch-lock', ''),
851
('pending-merges', ''),
852
('inventory', empty_inv),
853
('inventory.weave', empty_weave),
854
]
855
self._transport.mkdir_multi([cfn(d) for d in dirs], mode=self._dir_mode)
856
self.put_controlfiles(files)
857
mutter('created control directory in ' + self._transport.base)
858
859
def _check_format(self, relax_version_check):
301
860
"""Check this branch format is supported.
302
861
303
The current tool only supports the current unstable format.
862
The format level is stored, as an integer, in
863
self._branch_format for code that needs to check it later.
304
864
305
865
In the future, we might need different in-memory Branch
306
866
classes to support downlevel branches. But not yet.
307
867
"""
308
# This ignores newlines so that we can open branches created
309
# on Windows from Linux and so on. I think it might be better
310
# to always make all internal files in unix format.
311
fmt = self.controlfile('branch-format', 'r').read()
312
fmt.replace('\r\n', '')
313
if fmt != BZR_BRANCH_FORMAT:
314
raise BzrError('sorry, branch format %r not supported' % fmt,
868
try:
869
fmt = self.controlfile('branch-format', 'r').read()
870
except NoSuchFile:
871
raise NotBranchError(path=self.base)
872
mutter("got branch format %r", fmt)
873
if fmt == BZR_BRANCH_FORMAT_6:
874
self._branch_format = 6
875
elif fmt == BZR_BRANCH_FORMAT_5:
876
self._branch_format = 5
877
elif fmt == BZR_BRANCH_FORMAT_4:
878
self._branch_format = 4
879
880
if (not relax_version_check
881
and self._branch_format not in (5, 6)):
882
raise errors.UnsupportedFormatError(
883
'sorry, branch format %r not supported' % fmt,
315
884
['use a different bzr version',
316
'or remove the .bzr directory and "bzr init" again'])
317
318
319
320
def read_working_inventory(self):
321
"""Read the working inventory."""
322
before = time.time()
323
# ElementTree does its own conversion from UTF-8, so open in
324
# binary.
325
self.lock_read()
326
try:
327
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
328
mutter("loaded inventory of %d items in %f"
329
% (len(inv), time.time() - before))
330
return inv
331
finally:
332
self.unlock()
333
334
335
def _write_inventory(self, inv):
336
"""Update the working inventory.
337
338
That is to say, the inventory describing changes underway, that
339
will be committed to the next revision.
340
"""
341
## TODO: factor out to atomicfile? is rename safe on windows?
342
## TODO: Maybe some kind of clean/dirty marker on inventory?
343
tmpfname = self.controlfilename('inventory.tmp')
344
tmpf = file(tmpfname, 'wb')
345
inv.write_xml(tmpf)
346
tmpf.close()
347
inv_fname = self.controlfilename('inventory')
348
if sys.platform == 'win32':
349
os.remove(inv_fname)
350
os.rename(tmpfname, inv_fname)
351
mutter('wrote working inventory')
352
353
354
inventory = property(read_working_inventory, _write_inventory, None,
355
"""Inventory for the working copy.""")
356
357
358
def add(self, files, verbose=False, ids=None):
359
"""Make files versioned.
360
361
Note that the command line normally calls smart_add instead.
362
363
This puts the files in the Added state, so that they will be
364
recorded by the next commit.
365
366
files
367
List of paths to add, relative to the base of the tree.
368
369
ids
370
If set, use these instead of automatically generated ids.
371
Must be the same length as the list of files, but may
372
contain None for ids that are to be autogenerated.
373
374
TODO: Perhaps have an option to add the ids even if the files do
375
not (yet) exist.
376
377
TODO: Perhaps return the ids of the files? But then again it
378
is easy to retrieve them if they're needed.
379
380
TODO: Adding a directory should optionally recurse down and
381
add all non-ignored children. Perhaps do that in a
382
higher-level method.
383
"""
384
# TODO: Re-adding a file that is removed in the working copy
385
# should probably put it back with the previous ID.
386
if isinstance(files, types.StringTypes):
387
assert(ids is None or isinstance(ids, types.StringTypes))
388
files = [files]
389
if ids is not None:
390
ids = [ids]
391
392
if ids is None:
393
ids = [None] * len(files)
394
else:
395
assert(len(ids) == len(files))
396
397
self.lock_write()
398
try:
399
inv = self.read_working_inventory()
400
for f,file_id in zip(files, ids):
401
if is_control_file(f):
402
raise BzrError("cannot add control file %s" % quotefn(f))
403
404
fp = splitpath(f)
405
406
if len(fp) == 0:
407
raise BzrError("cannot add top-level %r" % f)
408
409
fullpath = os.path.normpath(self.abspath(f))
410
411
try:
412
kind = file_kind(fullpath)
413
except OSError:
414
# maybe something better?
415
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
416
417
if kind != 'file' and kind != 'directory':
418
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
419
420
if file_id is None:
421
file_id = gen_file_id(f)
422
inv.add_path(f, kind=kind, file_id=file_id)
423
424
if verbose:
425
show_status('A', kind, quotefn(f))
426
427
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
428
429
self._write_inventory(inv)
430
finally:
431
self.unlock()
432
433
434
def print_file(self, file, revno):
435
"""Print `file` to stdout."""
436
self.lock_read()
437
try:
438
tree = self.revision_tree(self.lookup_revision(revno))
439
# use inventory as it was in that revision
440
file_id = tree.inventory.path2id(file)
441
if not file_id:
442
raise BzrError("%r is not present in revision %d" % (file, revno))
443
tree.print_file(file_id)
444
finally:
445
self.unlock()
446
447
448
def remove(self, files, verbose=False):
449
"""Mark nominated files for removal from the inventory.
450
451
This does not remove their text. This does not run on
452
453
TODO: Refuse to remove modified files unless --force is given?
454
455
TODO: Do something useful with directories.
456
457
TODO: Should this remove the text or not? Tough call; not
458
removing may be useful and the user can just use use rm, and
459
is the opposite of add. Removing it is consistent with most
460
other tools. Maybe an option.
461
"""
462
## TODO: Normalize names
463
## TODO: Remove nested loops; better scalability
464
if isinstance(files, types.StringTypes):
465
files = [files]
466
467
self.lock_write()
468
469
try:
470
tree = self.working_tree()
471
inv = tree.inventory
472
473
# do this before any modifications
474
for f in files:
475
fid = inv.path2id(f)
476
if not fid:
477
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
478
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
479
if verbose:
480
# having remove it, it must be either ignored or unknown
481
if tree.is_ignored(f):
482
new_status = 'I'
483
else:
484
new_status = '?'
485
show_status(new_status, inv[fid].kind, quotefn(f))
486
del inv[fid]
487
488
self._write_inventory(inv)
489
finally:
490
self.unlock()
491
492
493
# FIXME: this doesn't need to be a branch method
494
def set_inventory(self, new_inventory_list):
495
inv = Inventory()
496
for path, file_id, parent, kind in new_inventory_list:
497
name = os.path.basename(path)
498
if name == "":
499
continue
500
inv.add(InventoryEntry(file_id, name, kind, parent))
501
self._write_inventory(inv)
502
503
504
def unknowns(self):
505
"""Return all unknown files.
506
507
These are files in the working directory that are not versioned or
508
control files or ignored.
509
510
>>> b = ScratchBranch(files=['foo', 'foo~'])
511
>>> list(b.unknowns())
512
['foo']
513
>>> b.add('foo')
514
>>> list(b.unknowns())
515
[]
516
>>> b.remove('foo')
517
>>> list(b.unknowns())
518
['foo']
519
"""
520
return self.working_tree().unknowns()
521
522
523
def append_revision(self, revision_id):
524
mutter("add {%s} to revision-history" % revision_id)
885
'or remove the .bzr directory'
886
' and "bzr init" again'])
887
888
@needs_read_lock
889
def get_root_id(self):
890
"""See Branch.get_root_id."""
891
inv = self.get_inventory(self.last_revision())
892
return inv.root.file_id
893
894
@needs_read_lock
895
def print_file(self, file, revision_id):
896
"""See Branch.print_file."""
897
tree = self.revision_tree(revision_id)
898
# use inventory as it was in that revision
899
file_id = tree.inventory.path2id(file)
900
if not file_id:
901
try:
902
revno = self.revision_id_to_revno(revision_id)
903
except errors.NoSuchRevision:
904
# TODO: This should not be BzrError,
905
# but NoSuchFile doesn't fit either
906
raise BzrError('%r is not present in revision %s'
907
% (file, revision_id))
908
else:
909
raise BzrError('%r is not present in revision %s'
910
% (file, revno))
911
tree.print_file(file_id)
912
913
@needs_write_lock
914
def append_revision(self, *revision_ids):
915
"""See Branch.append_revision."""
916
for revision_id in revision_ids:
917
mutter("add {%s} to revision-history" % revision_id)
525
918
rev_history = self.revision_history()
526
527
tmprhname = self.controlfilename('revision-history.tmp')
528
rhname = self.controlfilename('revision-history')
529
530
f = file(tmprhname, 'wt')
531
rev_history.append(revision_id)
532
f.write('\n'.join(rev_history))
533
f.write('\n')
534
f.close()
535
536
if sys.platform == 'win32':
537
os.remove(rhname)
538
os.rename(tmprhname, rhname)
539
540
541
542
def get_revision(self, revision_id):
543
"""Return the Revision object for a named revision"""
919
rev_history.extend(revision_ids)
920
self.set_revision_history(rev_history)
921
922
@needs_write_lock
923
def set_revision_history(self, rev_history):
924
"""See Branch.set_revision_history."""
925
old_revision = self.last_revision()
926
new_revision = rev_history[-1]
927
self.put_controlfile('revision-history', '\n'.join(rev_history))
928
try:
929
self.working_tree().set_last_revision(new_revision, old_revision)
930
except NoWorkingTree:
931
mutter('Unable to set_last_revision without a working tree.')
932
933
def has_revision(self, revision_id):
934
"""See Branch.has_revision."""
935
return (revision_id is None
936
or self.revision_store.has_id(revision_id))
937
938
@needs_read_lock
939
def _get_revision_xml_file(self, revision_id):
544
940
if not revision_id or not isinstance(revision_id, basestring):
545
raise ValueError('invalid revision-id: %r' % revision_id)
546
r = Revision.read_xml(self.revision_store[revision_id])
941
raise InvalidRevisionId(revision_id=revision_id, branch=self)
942
try:
943
return self.revision_store.get(revision_id)
944
except (IndexError, KeyError):
945
raise bzrlib.errors.NoSuchRevision(self, revision_id)
946
947
def get_revision_xml(self, revision_id):
948
"""See Branch.get_revision_xml."""
949
return self._get_revision_xml_file(revision_id).read()
950
951
def get_revision(self, revision_id):
952
"""See Branch.get_revision."""
953
xml_file = self._get_revision_xml_file(revision_id)
954
955
try:
956
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
957
except SyntaxError, e:
958
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
959
[revision_id,
960
str(e)])
961
547
962
assert r.revision_id == revision_id
548
963
return r
549
964
550
965
def get_revision_sha1(self, revision_id):
551
"""Hash the stored value of a revision, and return it."""
966
"""See Branch.get_revision_sha1."""
552
967
# In the future, revision entries will be signed. At that
553
968
# point, it is probably best *not* to include the signature
554
969
# in the revision hash. Because that lets you re-sign
555
970
# the revision, (add signatures/remove signatures) and still
556
971
# have all hash pointers stay consistent.
557
972
# But for now, just hash the contents.
558
return sha_file(self.revision_store[revision_id])
559
560
561
def get_inventory(self, inventory_id):
562
"""Get Inventory object by hash.
563
564
TODO: Perhaps for this and similar methods, take a revision
565
parameter which can be either an integer revno or a
566
string hash."""
567
i = Inventory.read_xml(self.inventory_store[inventory_id])
568
return i
569
570
def get_inventory_sha1(self, inventory_id):
571
"""Return the sha1 hash of the inventory entry
572
"""
573
return sha_file(self.inventory_store[inventory_id])
574
575
576
def get_revision_inventory(self, revision_id):
577
"""Return inventory of a past revision."""
578
if revision_id == None:
579
return Inventory()
580
else:
581
return self.get_inventory(self.get_revision(revision_id).inventory_id)
582
583
584
def revision_history(self):
585
"""Return sequence of revision hashes on to this branch.
586
587
>>> ScratchBranch().revision_history()
588
[]
589
"""
590
self.lock_read()
591
try:
592
return [l.rstrip('\r\n') for l in
593
self.controlfile('revision-history', 'r').readlines()]
594
finally:
595
self.unlock()
596
597
598
def common_ancestor(self, other, self_revno=None, other_revno=None):
599
"""
600
>>> import commit
601
>>> sb = ScratchBranch(files=['foo', 'foo~'])
602
>>> sb.common_ancestor(sb) == (None, None)
603
True
604
>>> commit.commit(sb, "Committing first revision", verbose=False)
605
>>> sb.common_ancestor(sb)[0]
606
1
607
>>> clone = sb.clone()
608
>>> commit.commit(sb, "Committing second revision", verbose=False)
609
>>> sb.common_ancestor(sb)[0]
610
2
611
>>> sb.common_ancestor(clone)[0]
612
1
613
>>> commit.commit(clone, "Committing divergent second revision",
614
... verbose=False)
615
>>> sb.common_ancestor(clone)[0]
616
1
617
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
618
True
619
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
620
True
621
>>> clone2 = sb.clone()
622
>>> sb.common_ancestor(clone2)[0]
623
2
624
>>> sb.common_ancestor(clone2, self_revno=1)[0]
625
1
626
>>> sb.common_ancestor(clone2, other_revno=1)[0]
627
1
628
"""
629
my_history = self.revision_history()
630
other_history = other.revision_history()
631
if self_revno is None:
632
self_revno = len(my_history)
633
if other_revno is None:
634
other_revno = len(other_history)
635
indices = range(min((self_revno, other_revno)))
636
indices.reverse()
637
for r in indices:
638
if my_history[r] == other_history[r]:
639
return r+1, my_history[r]
640
return None, None
641
642
def enum_history(self, direction):
643
"""Return (revno, revision_id) for history of branch.
644
645
direction
646
'forward' is from earliest to latest
647
'reverse' is from latest to earliest
648
"""
649
rh = self.revision_history()
650
if direction == 'forward':
651
i = 1
652
for rid in rh:
653
yield i, rid
654
i += 1
655
elif direction == 'reverse':
656
i = len(rh)
657
while i > 0:
658
yield i, rh[i-1]
659
i -= 1
660
else:
661
raise ValueError('invalid history direction', direction)
662
663
664
def revno(self):
665
"""Return current revision number for this branch.
666
667
That is equivalent to the number of revisions committed to
668
this branch.
669
"""
670
return len(self.revision_history())
671
672
673
def last_patch(self):
674
"""Return last patch hash, or None if no history.
675
"""
676
ph = self.revision_history()
677
if ph:
678
return ph[-1]
679
else:
680
return None
681
682
683
def missing_revisions(self, other, stop_revision=None):
684
"""
685
If self and other have not diverged, return a list of the revisions
686
present in other, but missing from self.
687
688
>>> from bzrlib.commit import commit
689
>>> bzrlib.trace.silent = True
690
>>> br1 = ScratchBranch()
691
>>> br2 = ScratchBranch()
692
>>> br1.missing_revisions(br2)
693
[]
694
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
695
>>> br1.missing_revisions(br2)
696
[u'REVISION-ID-1']
697
>>> br2.missing_revisions(br1)
698
[]
699
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
700
>>> br1.missing_revisions(br2)
701
[]
702
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
703
>>> br1.missing_revisions(br2)
704
[u'REVISION-ID-2A']
705
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
706
>>> br1.missing_revisions(br2)
707
Traceback (most recent call last):
708
DivergedBranches: These branches have diverged.
709
"""
710
self_history = self.revision_history()
711
self_len = len(self_history)
712
other_history = other.revision_history()
713
other_len = len(other_history)
714
common_index = min(self_len, other_len) -1
715
if common_index >= 0 and \
716
self_history[common_index] != other_history[common_index]:
717
raise DivergedBranches(self, other)
718
719
if stop_revision is None:
720
stop_revision = other_len
721
elif stop_revision > other_len:
722
raise NoSuchRevision(self, stop_revision)
723
724
return other_history[self_len:stop_revision]
725
726
727
def update_revisions(self, other, stop_revision=None):
728
"""Pull in all new revisions from other branch.
729
730
>>> from bzrlib.commit import commit
731
>>> bzrlib.trace.silent = True
732
>>> br1 = ScratchBranch(files=['foo', 'bar'])
733
>>> br1.add('foo')
734
>>> br1.add('bar')
735
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
736
>>> br2 = ScratchBranch()
737
>>> br2.update_revisions(br1)
738
Added 2 texts.
739
Added 1 inventories.
740
Added 1 revisions.
741
>>> br2.revision_history()
742
[u'REVISION-ID-1']
743
>>> br2.update_revisions(br1)
744
Added 0 texts.
745
Added 0 inventories.
746
Added 0 revisions.
747
>>> br1.text_store.total_size() == br2.text_store.total_size()
748
True
749
"""
750
from bzrlib.progress import ProgressBar
751
752
pb = ProgressBar()
753
754
pb.update('comparing histories')
755
revision_ids = self.missing_revisions(other, stop_revision)
756
revisions = []
757
needed_texts = sets.Set()
758
i = 0
759
for rev_id in revision_ids:
760
i += 1
761
pb.update('fetching revision', i, len(revision_ids))
762
rev = other.get_revision(rev_id)
763
revisions.append(rev)
764
inv = other.get_inventory(str(rev.inventory_id))
765
for key, entry in inv.iter_entries():
766
if entry.text_id is None:
767
continue
768
if entry.text_id not in self.text_store:
769
needed_texts.add(entry.text_id)
770
771
pb.clear()
772
773
count = self.text_store.copy_multi(other.text_store, needed_texts)
774
print "Added %d texts." % count
775
inventory_ids = [ f.inventory_id for f in revisions ]
776
count = self.inventory_store.copy_multi(other.inventory_store,
777
inventory_ids)
778
print "Added %d inventories." % count
779
revision_ids = [ f.revision_id for f in revisions]
780
count = self.revision_store.copy_multi(other.revision_store,
781
revision_ids)
782
for revision_id in revision_ids:
783
self.append_revision(revision_id)
784
print "Added %d revisions." % count
785
786
787
def commit(self, *args, **kw):
788
"""Deprecated"""
789
from bzrlib.commit import commit
790
commit(self, *args, **kw)
791
792
793
def lookup_revision(self, revno):
794
"""Return revision hash for revision number."""
795
if revno == 0:
796
return None
797
798
try:
799
# list is 0-based; revisions are 1-based
800
return self.revision_history()[revno-1]
973
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
974
975
def get_ancestry(self, revision_id):
976
"""See Branch.get_ancestry."""
977
if revision_id is None:
978
return [None]
979
w = self._get_inventory_weave()
980
return [None] + map(w.idx_to_name,
981
w.inclusions([w.lookup(revision_id)]))
982
983
def _get_inventory_weave(self):
984
return self.control_weaves.get_weave('inventory',
985
self.get_transaction())
986
987
def get_inventory(self, revision_id):
988
"""See Branch.get_inventory."""
989
xml = self.get_inventory_xml(revision_id)
990
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
991
992
def get_inventory_xml(self, revision_id):
993
"""See Branch.get_inventory_xml."""
994
try:
995
assert isinstance(revision_id, basestring), type(revision_id)
996
iw = self._get_inventory_weave()
997
return iw.get_text(iw.lookup(revision_id))
801
998
except IndexError:
802
raise BzrError("no such revision %s" % revno)
803
804
999
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
1000
1001
def get_inventory_sha1(self, revision_id):
1002
"""See Branch.get_inventory_sha1."""
1003
return self.get_revision(revision_id).inventory_sha1
1004
1005
def get_revision_inventory(self, revision_id):
1006
"""See Branch.get_revision_inventory."""
1007
# TODO: Unify this with get_inventory()
1008
# bzr 0.0.6 and later imposes the constraint that the inventory_id
1009
# must be the same as its revision, so this is trivial.
1010
if revision_id == None:
1011
# This does not make sense: if there is no revision,
1012
# then it is the current tree inventory surely ?!
1013
# and thus get_root_id() is something that looks at the last
1014
# commit on the branch, and the get_root_id is an inventory check.
1015
raise NotImplementedError
1016
# return Inventory(self.get_root_id())
1017
else:
1018
return self.get_inventory(revision_id)
1019
1020
@needs_read_lock
1021
def revision_history(self):
1022
"""See Branch.revision_history."""
1023
transaction = self.get_transaction()
1024
history = transaction.map.find_revision_history()
1025
if history is not None:
1026
mutter("cache hit for revision-history in %s", self)
1027
return list(history)
1028
history = [l.rstrip('\r\n') for l in
1029
self.controlfile('revision-history', 'r').readlines()]
1030
transaction.map.add_revision_history(history)
1031
# this call is disabled because revision_history is
1032
# not really an object yet, and the transaction is for objects.
1033
# transaction.register_clean(history, precious=True)
1034
return list(history)
1035
1036
def update_revisions(self, other, stop_revision=None):
1037
"""See Branch.update_revisions."""
1038
from bzrlib.fetch import greedy_fetch
1039
if stop_revision is None:
1040
stop_revision = other.last_revision()
1041
### Should this be checking is_ancestor instead of revision_history?
1042
if (stop_revision is not None and
1043
stop_revision in self.revision_history()):
1044
return
1045
greedy_fetch(to_branch=self, from_branch=other,
1046
revision=stop_revision)
1047
pullable_revs = self.pullable_revisions(other, stop_revision)
1048
if len(pullable_revs) > 0:
1049
self.append_revision(*pullable_revs)
1050
1051
def pullable_revisions(self, other, stop_revision):
1052
"""See Branch.pullable_revisions."""
1053
other_revno = other.revision_id_to_revno(stop_revision)
1054
try:
1055
return self.missing_revisions(other, other_revno)
1056
except DivergedBranches, e:
1057
try:
1058
pullable_revs = get_intervening_revisions(self.last_revision(),
1059
stop_revision, self)
1060
assert self.last_revision() not in pullable_revs
1061
return pullable_revs
1062
except bzrlib.errors.NotAncestor:
1063
if is_ancestor(self.last_revision(), stop_revision, self):
1064
return []
1065
else:
1066
raise e
1067
805
1068
def revision_tree(self, revision_id):
806
"""Return Tree for a revision on this branch.
807
808
`revision_id` may be None for the null revision, in which case
809
an `EmptyTree` is returned."""
1069
"""See Branch.revision_tree."""
810
1070
# TODO: refactor this to use an existing revision object
811
1071
# so we don't need to read it in twice.
812
if revision_id == None:
1072
if revision_id == None or revision_id == NULL_REVISION:
813
1073
return EmptyTree()
814
1074
else:
815
1075
inv = self.get_revision_inventory(revision_id)
816
return RevisionTree(self.text_store, inv)
1076
return RevisionTree(self, inv, revision_id)
817
1077
1078
def basis_tree(self):
1079
"""See Branch.basis_tree."""
1080
try:
1081
revision_id = self.revision_history()[-1]
1082
xml = self.working_tree().read_basis_inventory(revision_id)
1083
inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
1084
return RevisionTree(self, inv, revision_id)
1085
except (IndexError, NoSuchFile, NoWorkingTree), e:
1086
return self.revision_tree(self.last_revision())
818
1087
819
1088
def working_tree(self):
820
"""Return a `Tree` for the working copy."""
821
from workingtree import WorkingTree
822
return WorkingTree(self.base, self.read_working_inventory())
823
824
825
def basis_tree(self):
826
"""Return `Tree` object for last revision.
827
828
If there are no revisions yet, return an `EmptyTree`.
829
"""
830
r = self.last_patch()
831
if r == None:
832
return EmptyTree()
1089
"""See Branch.working_tree."""
1090
from bzrlib.workingtree import WorkingTree
1091
if self._transport.base.find('://') != -1:
1092
raise NoWorkingTree(self.base)
1093
return WorkingTree(self.base, branch=self)
1094
1095
@needs_write_lock
1096
def pull(self, source, overwrite=False):
1097
"""See Branch.pull."""
1098
source.lock_read()
1099
try:
1100
old_count = len(self.revision_history())
1101
try:
1102
self.update_revisions(source)
1103
except DivergedBranches:
1104
if not overwrite:
1105
raise
1106
if overwrite:
1107
self.set_revision_history(source.revision_history())
1108
new_count = len(self.revision_history())
1109
return new_count - old_count
1110
finally:
1111
source.unlock()
1112
1113
def get_parent(self):
1114
"""See Branch.get_parent."""
1115
import errno
1116
_locs = ['parent', 'pull', 'x-pull']
1117
for l in _locs:
1118
try:
1119
return self.controlfile(l, 'r').read().strip('\n')
1120
except NoSuchFile:
1121
pass
1122
return None
1123
1124
def get_push_location(self):
1125
"""See Branch.get_push_location."""
1126
config = bzrlib.config.BranchConfig(self)
1127
push_loc = config.get_user_option('push_location')
1128
return push_loc
1129
1130
def set_push_location(self, location):
1131
"""See Branch.set_push_location."""
1132
config = bzrlib.config.LocationConfig(self.base)
1133
config.set_user_option('push_location', location)
1134
1135
@needs_write_lock
1136
def set_parent(self, url):
1137
"""See Branch.set_parent."""
1138
# TODO: Maybe delete old location files?
1139
from bzrlib.atomicfile import AtomicFile
1140
f = AtomicFile(self.controlfilename('parent'))
1141
try:
1142
f.write(url + '\n')
1143
f.commit()
1144
finally:
1145
f.close()
1146
1147
def tree_config(self):
1148
return TreeConfig(self)
1149
1150
def sign_revision(self, revision_id, gpg_strategy):
1151
"""See Branch.sign_revision."""
1152
plaintext = Testament.from_revision(self, revision_id).as_short_text()
1153
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
1154
1155
@needs_write_lock
1156
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
1157
"""See Branch.store_revision_signature."""
1158
self.revision_store.add(StringIO(gpg_strategy.sign(plaintext)),
1159
revision_id, "sig")
1160
1161
def fileid_involved_between_revs(self, from_revid, to_revid):
1162
"""Find file_id(s) which are involved in the changes between revisions.
1163
1164
This determines the set of revisions which are involved, and then
1165
finds all file ids affected by those revisions.
1166
"""
1167
# TODO: jam 20060119 This code assumes that w.inclusions will
1168
# always be correct. But because of the presence of ghosts
1169
# it is possible to be wrong.
1170
# One specific example from Robert Collins:
1171
# Two branches, with revisions ABC, and AD
1172
# C is a ghost merge of D.
1173
# Inclusions doesn't recognize D as an ancestor.
1174
# If D is ever merged in the future, the weave
1175
# won't be fixed, because AD never saw revision C
1176
# to cause a conflict which would force a reweave.
1177
w = self._get_inventory_weave()
1178
from_set = set(w.inclusions([w.lookup(from_revid)]))
1179
to_set = set(w.inclusions([w.lookup(to_revid)]))
1180
included = to_set.difference(from_set)
1181
changed = map(w.idx_to_name, included)
1182
return self._fileid_involved_by_set(changed)
1183
1184
def fileid_involved(self, last_revid=None):
1185
"""Find all file_ids modified in the ancestry of last_revid.
1186
1187
:param last_revid: If None, last_revision() will be used.
1188
"""
1189
w = self._get_inventory_weave()
1190
if not last_revid:
1191
changed = set(w._names)
833
1192
else:
834
return RevisionTree(self.text_store, self.get_revision_inventory(r))
835
836
837
838
def rename_one(self, from_rel, to_rel):
839
"""Rename one file.
840
841
This can change the directory or the filename or both.
842
"""
843
self.lock_write()
844
try:
845
tree = self.working_tree()
846
inv = tree.inventory
847
if not tree.has_filename(from_rel):
848
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
849
if tree.has_filename(to_rel):
850
raise BzrError("can't rename: new working file %r already exists" % to_rel)
851
852
file_id = inv.path2id(from_rel)
853
if file_id == None:
854
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
855
856
if inv.path2id(to_rel):
857
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
858
859
to_dir, to_tail = os.path.split(to_rel)
860
to_dir_id = inv.path2id(to_dir)
861
if to_dir_id == None and to_dir != '':
862
raise BzrError("can't determine destination directory id for %r" % to_dir)
863
864
mutter("rename_one:")
865
mutter(" file_id {%s}" % file_id)
866
mutter(" from_rel %r" % from_rel)
867
mutter(" to_rel %r" % to_rel)
868
mutter(" to_dir %r" % to_dir)
869
mutter(" to_dir_id {%s}" % to_dir_id)
870
871
inv.rename(file_id, to_dir_id, to_tail)
872
873
print "%s => %s" % (from_rel, to_rel)
874
875
from_abs = self.abspath(from_rel)
876
to_abs = self.abspath(to_rel)
877
try:
878
os.rename(from_abs, to_abs)
879
except OSError, e:
880
raise BzrError("failed to rename %r to %r: %s"
881
% (from_abs, to_abs, e[1]),
882
["rename rolled back"])
883
884
self._write_inventory(inv)
885
finally:
886
self.unlock()
887
888
889
def move(self, from_paths, to_name):
890
"""Rename files.
891
892
to_name must exist as a versioned directory.
893
894
If to_name exists and is a directory, the files are moved into
895
it, keeping their old names. If it is a directory,
896
897
Note that to_name is only the last component of the new name;
898
this doesn't change the directory.
899
"""
900
self.lock_write()
901
try:
902
## TODO: Option to move IDs only
903
assert not isinstance(from_paths, basestring)
904
tree = self.working_tree()
905
inv = tree.inventory
906
to_abs = self.abspath(to_name)
907
if not isdir(to_abs):
908
raise BzrError("destination %r is not a directory" % to_abs)
909
if not tree.has_filename(to_name):
910
raise BzrError("destination %r not in working directory" % to_abs)
911
to_dir_id = inv.path2id(to_name)
912
if to_dir_id == None and to_name != '':
913
raise BzrError("destination %r is not a versioned directory" % to_name)
914
to_dir_ie = inv[to_dir_id]
915
if to_dir_ie.kind not in ('directory', 'root_directory'):
916
raise BzrError("destination %r is not a directory" % to_abs)
917
918
to_idpath = inv.get_idpath(to_dir_id)
919
920
for f in from_paths:
921
if not tree.has_filename(f):
922
raise BzrError("%r does not exist in working tree" % f)
923
f_id = inv.path2id(f)
924
if f_id == None:
925
raise BzrError("%r is not versioned" % f)
926
name_tail = splitpath(f)[-1]
927
dest_path = appendpath(to_name, name_tail)
928
if tree.has_filename(dest_path):
929
raise BzrError("destination %r already exists" % dest_path)
930
if f_id in to_idpath:
931
raise BzrError("can't move %r to a subdirectory of itself" % f)
932
933
# OK, so there's a race here, it's possible that someone will
934
# create a file in this interval and then the rename might be
935
# left half-done. But we should have caught most problems.
936
937
for f in from_paths:
938
name_tail = splitpath(f)[-1]
939
dest_path = appendpath(to_name, name_tail)
940
print "%s => %s" % (f, dest_path)
941
inv.rename(inv.path2id(f), to_dir_id, name_tail)
942
try:
943
os.rename(self.abspath(f), self.abspath(dest_path))
944
except OSError, e:
945
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
946
["rename rolled back"])
947
948
self._write_inventory(inv)
949
finally:
950
self.unlock()
951
952
953
954
class ScratchBranch(Branch):
1193
included = w.inclusions([w.lookup(last_revid)])
1194
changed = map(w.idx_to_name, included)
1195
return self._fileid_involved_by_set(changed)
1196
1197
def fileid_involved_by_set(self, changes):
1198
"""Find all file_ids modified by the set of revisions passed in.
1199
1200
:param changes: A set() of revision ids
1201
"""
1202
# TODO: jam 20060119 This line does *nothing*, remove it.
1203
# or better yet, change _fileid_involved_by_set so
1204
# that it takes the inventory weave, rather than
1205
# pulling it out by itself.
1206
w = self._get_inventory_weave()
1207
return self._fileid_involved_by_set(changes)
1208
1209
def _fileid_involved_by_set(self, changes):
1210
"""Find the set of file-ids affected by the set of revisions.
1211
1212
:param changes: A set() of revision ids.
1213
:return: A set() of file ids.
1214
1215
This peaks at the Weave, interpreting each line, looking to
1216
see if it mentions one of the revisions. And if so, includes
1217
the file id mentioned.
1218
This expects both the Weave format, and the serialization
1219
to have a single line per file/directory, and to have
1220
fileid="" and revision="" on that line.
1221
"""
1222
assert self._branch_format in (5, 6), \
1223
"fileid_involved only supported for branches which store inventory as xml"
1224
1225
w = self._get_inventory_weave()
1226
file_ids = set()
1227
for line in w._weave:
1228
1229
# it is ugly, but it is due to the weave structure
1230
if not isinstance(line, basestring): continue
1231
1232
start = line.find('file_id="')+9
1233
if start < 9: continue
1234
end = line.find('"', start)
1235
assert end>= 0
1236
file_id = xml.sax.saxutils.unescape(line[start:end])
1237
1238
# check if file_id is already present
1239
if file_id in file_ids: continue
1240
1241
start = line.find('revision="')+10
1242
if start < 10: continue
1243
end = line.find('"', start)
1244
assert end>= 0
1245
revision_id = xml.sax.saxutils.unescape(line[start:end])
1246
1247
if revision_id in changes:
1248
file_ids.add(file_id)
1249
1250
return file_ids
1251
1252
1253
class ScratchBranch(BzrBranch):
955
1254
"""Special test class: a branch that cleans up after itself.
956
1255
957
1256
>>> b = ScratchBranch()
958
1257
>>> isdir(b.base)
959
1258
True
960
1259
>>> bd = b.base
961
>>> b.destroy()
1260
>>> b._transport.__del__()
962
1261
>>> isdir(bd)
963
1262
False
964
1263
"""
965
def __init__(self, files=[], dirs=[], base=None):
1264
1265
def __init__(self, files=[], dirs=[], transport=None):
966
1266
"""Make a test branch.
967
1267
968
1268
This creates a temporary directory and runs init-tree in it.
969
1269
970
1270
If any files are listed, they are created in the working copy.
971
1271
"""
972
init = False
973
if base is None:
974
base = tempfile.mkdtemp()
975
init = True
976
Branch.__init__(self, base, init=init)
1272
if transport is None:
1273
transport = bzrlib.transport.local.ScratchTransport()
1274
super(ScratchBranch, self).__init__(transport, init=True)
1275
else:
1276
super(ScratchBranch, self).__init__(transport)
1277
977
1278
for d in dirs:
978
os.mkdir(self.abspath(d))
1279
self._transport.mkdir(d)
979
1280
980
1281
for f in files:
981
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1282
self._transport.put(f, 'content of %s' % f)
982
1283
983
1284
984
1285
def clone(self):
985
1286
"""
986
1287
>>> orig = ScratchBranch(files=["file1", "file2"])
987
1288
>>> clone = orig.clone()
988
>>> os.path.samefile(orig.base, clone.base)
1289
>>> if os.name != 'nt':
1290
... os.path.samefile(orig.base, clone.base)
1291
... else:
1292
... orig.base == clone.base
1293
...
989
1294
False
990
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1295
>>> os.path.isfile(pathjoin(clone.base, "file1"))
991
1296
True
992
1297
"""
993
base = tempfile.mkdtemp()
1298
from shutil import copytree
1299
from bzrlib.osutils import mkdtemp
1300
base = mkdtemp()
994
1301
os.rmdir(base)
995
shutil.copytree(self.base, base, symlinks=True)
996
return ScratchBranch(base=base)
997
998
def __del__(self):
999
self.destroy()
1000
1001
def destroy(self):
1002
"""Destroy the test branch, removing the scratch directory."""
1003
try:
1004
if self.base:
1005
mutter("delete ScratchBranch %s" % self.base)
1006
shutil.rmtree(self.base)
1007
except OSError, e:
1008
# Work around for shutil.rmtree failing on Windows when
1009
# readonly files are encountered
1010
mutter("hit exception in destroying ScratchBranch: %s" % e)
1011
for root, dirs, files in os.walk(self.base, topdown=False):
1012
for name in files:
1013
os.chmod(os.path.join(root, name), 0700)
1014
shutil.rmtree(self.base)
1015
self.base = None
1016
1302
copytree(self.base, base, symlinks=True)
1303
return ScratchBranch(
1304
transport=bzrlib.transport.local.ScratchTransport(base))
1017
1305
1018
1306
1019
1307
######################################################################
1022
1310
1023
1311
def is_control_file(filename):
1024
1312
## FIXME: better check
1025
filename = os.path.normpath(filename)
1313
filename = normpath(filename)
1026
1314
while filename != '':
1027
1315
head, tail = os.path.split(filename)
1028
## mutter('check %r for control file' % ((head, tail), ))
1316
## mutter('check %r for control file' % ((head, tail),))
1029
1317
if tail == bzrlib.BZRDIR:
1030
1318
return True
1031
1319
if filename == head:
1032
1320
break
1033
1321
filename = head
1034
1322
return False
1035
1036
1037
1038
def gen_file_id(name):
1039
"""Return new file id.
1040
1041
This should probably generate proper UUIDs, but for the moment we
1042
cope with just randomness because running uuidgen every time is
1043
slow."""
1044
import re
1045
1046
# get last component
1047
idx = name.rfind('/')
1048
if idx != -1:
1049
name = name[idx+1 : ]
1050
idx = name.rfind('\\')
1051
if idx != -1:
1052
name = name[idx+1 : ]
1053
1054
# make it not a hidden file
1055
name = name.lstrip('.')
1056
1057
# remove any wierd characters; we don't escape them but rather
1058
# just pull them out
1059
name = re.sub(r'[^\w.]', '', name)
1060
1061
s = hexlify(rand_bytes(8))
1062
return '-'.join((name, compact_date(time.time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1