« back to all changes in this revision
Viewing changes to bzrlib/branch.py
- browse files at revision 934
- compare with another revision
- download diff
- download tarball
- view history from revision 934
- Committer: Martin Pool
- Date: 2005-07-18 10:21:43 UTC
- Revision ID: mbp@sourcefrog.net-20050718102142-6a53001fa98bb066
todo
- files added:
- .rsyncexclude
- bzrlib/selftest
- contrib
- contrib/bash
- contrib/zsh
- effbot
- effbot/org
- patches
- plugins
- plugins/changeset
- tools
- urlgrabber
- files removed:
- bzrlib/tests.py
- files modified:
- .bzrignore
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 sets import Set
19
20
import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
21
import traceback, socket, fnmatch, difflib, time
22
from binascii import hexlify
18
import sys, os
23
19
24
20
import bzrlib
25
from inventory import Inventory
26
from trace import mutter, note
27
from tree import Tree, EmptyTree, RevisionTree, WorkingTree
28
from inventory import InventoryEntry, Inventory
29
from osutils import isdir, quotefn, isfile, uuid, sha_file, username, chomp, \
30
format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
31
joinpath, sha_string, file_kind, local_time_offset
32
from store import ImmutableStore
33
from revision import Revision
34
from errors import bailout
35
from textui import show_status
36
from diff import diff_trees
21
from bzrlib.trace import mutter, note
22
from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, splitpath, \
23
sha_file, appendpath, file_kind
24
from bzrlib.errors import BzrError
37
25
38
26
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
39
27
## TODO: Maybe include checks for common corruption of newlines, etc?
40
28
41
29
42
30
31
def find_branch(f, **args):
32
if f and (f.startswith('http://') or f.startswith('https://')):
33
import remotebranch
34
return remotebranch.RemoteBranch(f, **args)
35
else:
36
return Branch(f, **args)
37
38
39
def find_cached_branch(f, cache_root, **args):
40
from remotebranch import RemoteBranch
41
br = find_branch(f, **args)
42
def cacheify(br, store_name):
43
from meta_store import CachedStore
44
cache_path = os.path.join(cache_root, store_name)
45
os.mkdir(cache_path)
46
new_store = CachedStore(getattr(br, store_name), cache_path)
47
setattr(br, store_name, new_store)
48
49
if isinstance(br, RemoteBranch):
50
cacheify(br, 'inventory_store')
51
cacheify(br, 'text_store')
52
cacheify(br, 'revision_store')
53
return br
54
55
56
def _relpath(base, path):
57
"""Return path relative to base, or raise exception.
58
59
The path may be either an absolute path or a path relative to the
60
current working directory.
61
62
Lifted out of Branch.relpath for ease of testing.
63
64
os.path.commonprefix (python2.4) has a bad bug that it works just
65
on string prefixes, assuming that '/u' is a prefix of '/u2'. This
66
avoids that problem."""
67
rp = os.path.abspath(path)
68
69
s = []
70
head = rp
71
while len(head) >= len(base):
72
if head == base:
73
break
74
head, tail = os.path.split(head)
75
if tail:
76
s.insert(0, tail)
77
else:
78
from errors import NotBranchError
79
raise NotBranchError("path %r is not within branch %r" % (rp, base))
80
81
return os.sep.join(s)
82
83
43
84
def find_branch_root(f=None):
44
85
"""Find the branch root enclosing f, or pwd.
45
86
87
f may be a filename or a URL.
88
46
89
It is not necessary that f exists.
47
90
48
91
Basically we keep looking up until we find the control directory or
49
92
run into the root."""
50
if f is None:
93
if f == None:
51
94
f = os.getcwd()
52
95
elif hasattr(os.path, 'realpath'):
53
96
f = os.path.realpath(f)
54
97
else:
55
98
f = os.path.abspath(f)
99
if not os.path.exists(f):
100
raise BzrError('%r does not exist' % f)
101
56
102
57
103
orig_f = f
58
104
59
last_f = f
60
105
while True:
61
106
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
62
107
return f
63
108
head, tail = os.path.split(f)
64
109
if head == f:
65
110
# reached the root, whatever that may be
66
bailout('%r is not in a branch' % orig_f)
111
raise BzrError('%r is not in a branch' % orig_f)
67
112
f = head
68
113
114
class DivergedBranches(Exception):
115
def __init__(self, branch1, branch2):
116
self.branch1 = branch1
117
self.branch2 = branch2
118
Exception.__init__(self, "These branches have diverged.")
119
120
121
class NoSuchRevision(BzrError):
122
def __init__(self, branch, revision):
123
self.branch = branch
124
self.revision = revision
125
msg = "Branch %s has no revision %d" % (branch, revision)
126
BzrError.__init__(self, msg)
69
127
70
128
71
129
######################################################################
72
130
# branch objects
73
131
74
class Branch:
132
class Branch(object):
75
133
"""Branch holding a history of revisions.
76
134
77
:todo: Perhaps use different stores for different classes of object,
78
so that we can keep track of how much space each one uses,
79
or garbage-collect them.
80
81
:todo: Add a RemoteBranch subclass. For the basic case of read-only
82
HTTP access this should be very easy by,
83
just redirecting controlfile access into HTTP requests.
84
We would need a RemoteStore working similarly.
85
86
:todo: Keep the on-disk branch locked while the object exists.
87
88
:todo: mkdir() method.
135
base
136
Base directory of the branch.
137
138
_lock_mode
139
None, or 'r' or 'w'
140
141
_lock_count
142
If _lock_mode is true, a positive count of the number of times the
143
lock has been taken.
144
145
_lock
146
Lock object from bzrlib.lock.
89
147
"""
148
base = None
149
_lock_mode = None
150
_lock_count = None
151
_lock = None
152
153
# Map some sort of prefix into a namespace
154
# stuff like "revno:10", "revid:", etc.
155
# This should match a prefix with a function which accepts
156
REVISION_NAMESPACES = {}
157
90
158
def __init__(self, base, init=False, find_root=True):
91
159
"""Create new branch object at a particular location.
92
160
93
:param base: Base directory for the branch.
161
base -- Base directory for the branch.
94
162
95
:param init: If True, create new control files in a previously
163
init -- If True, create new control files in a previously
96
164
unversioned directory. If False, the branch must already
97
165
be versioned.
98
166
99
:param find_root: If true and init is false, find the root of the
167
find_root -- If true and init is false, find the root of the
100
168
existing branch containing base.
101
169
102
170
In the test suite, creation of new trees is tested using the
103
171
`ScratchBranch` class.
104
172
"""
173
from bzrlib.store import ImmutableStore
105
174
if init:
106
175
self.base = os.path.realpath(base)
107
176
self._make_control()
110
179
else:
111
180
self.base = os.path.realpath(base)
112
181
if not isdir(self.controlfilename('.')):
113
bailout("not a bzr branch: %s" % quotefn(base),
114
['use "bzr init" to initialize a new working tree',
115
'current bzr can only operate from top-of-tree'])
182
from errors import NotBranchError
183
raise NotBranchError("not a bzr branch: %s" % quotefn(base),
184
['use "bzr init" to initialize a new working tree',
185
'current bzr can only operate from top-of-tree'])
116
186
self._check_format()
117
187
118
188
self.text_store = ImmutableStore(self.controlfilename('text-store'))
127
197
__repr__ = __str__
128
198
129
199
200
def __del__(self):
201
if self._lock_mode or self._lock:
202
from warnings import warn
203
warn("branch %r was not explicitly unlocked" % self)
204
self._lock.unlock()
205
206
207
208
def lock_write(self):
209
if self._lock_mode:
210
if self._lock_mode != 'w':
211
from errors import LockError
212
raise LockError("can't upgrade to a write lock from %r" %
213
self._lock_mode)
214
self._lock_count += 1
215
else:
216
from bzrlib.lock import WriteLock
217
218
self._lock = WriteLock(self.controlfilename('branch-lock'))
219
self._lock_mode = 'w'
220
self._lock_count = 1
221
222
223
224
def lock_read(self):
225
if self._lock_mode:
226
assert self._lock_mode in ('r', 'w'), \
227
"invalid lock mode %r" % self._lock_mode
228
self._lock_count += 1
229
else:
230
from bzrlib.lock import ReadLock
231
232
self._lock = ReadLock(self.controlfilename('branch-lock'))
233
self._lock_mode = 'r'
234
self._lock_count = 1
235
236
237
238
def unlock(self):
239
if not self._lock_mode:
240
from errors import LockError
241
raise LockError('branch %r is not locked' % (self))
242
243
if self._lock_count > 1:
244
self._lock_count -= 1
245
else:
246
self._lock.unlock()
247
self._lock = None
248
self._lock_mode = self._lock_count = None
249
250
130
251
def abspath(self, name):
131
252
"""Return absolute filename for something in the branch"""
132
253
return os.path.join(self.base, name)
136
257
"""Return path relative to this branch of something inside it.
137
258
138
259
Raises an error if path is not in this branch."""
139
rp = os.path.realpath(path)
140
# FIXME: windows
141
if not rp.startswith(self.base):
142
bailout("path %r is not within branch %r" % (rp, self.base))
143
rp = rp[len(self.base):]
144
rp = rp.lstrip(os.sep)
145
return rp
260
return _relpath(self.base, path)
146
261
147
262
148
263
def controlfilename(self, file_or_path):
149
264
"""Return location relative to branch."""
150
if isinstance(file_or_path, types.StringTypes):
265
if isinstance(file_or_path, basestring):
151
266
file_or_path = [file_or_path]
152
267
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
153
268
154
269
155
270
def controlfile(self, file_or_path, mode='r'):
156
"""Open a control file for this branch"""
157
return file(self.controlfilename(file_or_path), mode)
271
"""Open a control file for this branch.
272
273
There are two classes of file in the control directory: text
274
and binary. binary files are untranslated byte streams. Text
275
control files are stored with Unix newlines and in UTF-8, even
276
if the platform or locale defaults are different.
277
278
Controlfiles should almost never be opened in write mode but
279
rather should be atomically copied and replaced using atomicfile.
280
"""
281
282
fn = self.controlfilename(file_or_path)
283
284
if mode == 'rb' or mode == 'wb':
285
return file(fn, mode)
286
elif mode == 'r' or mode == 'w':
287
# open in binary mode anyhow so there's no newline translation;
288
# codecs uses line buffering by default; don't want that.
289
import codecs
290
return codecs.open(fn, mode + 'b', 'utf-8',
291
buffering=60000)
292
else:
293
raise BzrError("invalid controlfile mode %r" % mode)
294
158
295
159
296
160
297
def _make_control(self):
298
from bzrlib.inventory import Inventory
299
from bzrlib.xml import pack_xml
300
161
301
os.mkdir(self.controlfilename([]))
162
302
self.controlfile('README', 'w').write(
163
303
"This is a Bazaar-NG control directory.\n"
164
"Do not change any files in this directory.")
304
"Do not change any files in this directory.\n")
165
305
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
166
306
for d in ('text-store', 'inventory-store', 'revision-store'):
167
307
os.mkdir(self.controlfilename(d))
168
308
for f in ('revision-history', 'merged-patches',
169
'pending-merged-patches', 'branch-name'):
309
'pending-merged-patches', 'branch-name',
310
'branch-lock',
311
'pending-merges'):
170
312
self.controlfile(f, 'w').write('')
171
313
mutter('created control directory in ' + self.base)
172
Inventory().write_xml(self.controlfile('inventory','w'))
314
315
pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
173
316
174
317
175
318
def _check_format(self):
179
322
180
323
In the future, we might need different in-memory Branch
181
324
classes to support downlevel branches. But not yet.
182
"""
183
# read in binary mode to detect newline wierdness.
184
fmt = self.controlfile('branch-format', 'rb').read()
325
"""
326
# This ignores newlines so that we can open branches created
327
# on Windows from Linux and so on. I think it might be better
328
# to always make all internal files in unix format.
329
fmt = self.controlfile('branch-format', 'r').read()
330
fmt.replace('\r\n', '')
185
331
if fmt != BZR_BRANCH_FORMAT:
186
bailout('sorry, branch format %r not supported' % fmt,
187
['use a different bzr version',
188
'or remove the .bzr directory and "bzr init" again'])
189
332
raise BzrError('sorry, branch format %r not supported' % fmt,
333
['use a different bzr version',
334
'or remove the .bzr directory and "bzr init" again'])
335
336
def get_root_id(self):
337
"""Return the id of this branches root"""
338
inv = self.read_working_inventory()
339
return inv.root.file_id
340
341
def set_root_id(self, file_id):
342
inv = self.read_working_inventory()
343
orig_root_id = inv.root.file_id
344
del inv._byid[inv.root.file_id]
345
inv.root.file_id = file_id
346
inv._byid[inv.root.file_id] = inv.root
347
for fid in inv:
348
entry = inv[fid]
349
if entry.parent_id in (None, orig_root_id):
350
entry.parent_id = inv.root.file_id
351
self._write_inventory(inv)
190
352
191
353
def read_working_inventory(self):
192
354
"""Read the working inventory."""
193
before = time.time()
194
inv = Inventory.read_xml(self.controlfile('inventory', 'r'))
195
mutter("loaded inventory of %d items in %f"
196
% (len(inv), time.time() - before))
197
return inv
198
355
from bzrlib.inventory import Inventory
356
from bzrlib.xml import unpack_xml
357
from time import time
358
before = time()
359
self.lock_read()
360
try:
361
# ElementTree does its own conversion from UTF-8, so open in
362
# binary.
363
inv = unpack_xml(Inventory,
364
self.controlfile('inventory', 'rb'))
365
mutter("loaded inventory of %d items in %f"
366
% (len(inv), time() - before))
367
return inv
368
finally:
369
self.unlock()
370
199
371
200
372
def _write_inventory(self, inv):
201
373
"""Update the working inventory.
203
375
That is to say, the inventory describing changes underway, that
204
376
will be committed to the next revision.
205
377
"""
206
## TODO: factor out to atomicfile? is rename safe on windows?
207
## TODO: Maybe some kind of clean/dirty marker on inventory?
208
tmpfname = self.controlfilename('inventory.tmp')
209
tmpf = file(tmpfname, 'w')
210
inv.write_xml(tmpf)
211
tmpf.close()
212
os.rename(tmpfname, self.controlfilename('inventory'))
378
from bzrlib.atomicfile import AtomicFile
379
from bzrlib.xml import pack_xml
380
381
self.lock_write()
382
try:
383
f = AtomicFile(self.controlfilename('inventory'), 'wb')
384
try:
385
pack_xml(inv, f)
386
f.commit()
387
finally:
388
f.close()
389
finally:
390
self.unlock()
391
213
392
mutter('wrote working inventory')
214
393
215
394
216
395
inventory = property(read_working_inventory, _write_inventory, None,
217
396
"""Inventory for the working copy.""")
218
397
219
398
220
def add(self, files, verbose=False):
399
def add(self, files, verbose=False, ids=None):
221
400
"""Make files versioned.
222
401
402
Note that the command line normally calls smart_add instead.
403
223
404
This puts the files in the Added state, so that they will be
224
405
recorded by the next commit.
225
406
226
:todo: Perhaps have an option to add the ids even if the files do
227
not (yet) exist.
228
229
:todo: Perhaps return the ids of the files? But then again it
230
is easy to retrieve them if they're needed.
231
232
:todo: Option to specify file id.
233
234
:todo: Adding a directory should optionally recurse down and
235
add all non-ignored children. Perhaps do that in a
236
higher-level method.
237
238
>>> b = ScratchBranch(files=['foo'])
239
>>> 'foo' in b.unknowns()
240
True
241
>>> b.show_status()
242
? foo
243
>>> b.add('foo')
244
>>> 'foo' in b.unknowns()
245
False
246
>>> bool(b.inventory.path2id('foo'))
247
True
248
>>> b.show_status()
249
A foo
250
251
>>> b.add('foo')
252
Traceback (most recent call last):
253
...
254
BzrError: ('foo is already versioned', [])
255
256
>>> b.add(['nothere'])
257
Traceback (most recent call last):
258
BzrError: ('cannot add: not a regular file or directory: nothere', [])
407
files
408
List of paths to add, relative to the base of the tree.
409
410
ids
411
If set, use these instead of automatically generated ids.
412
Must be the same length as the list of files, but may
413
contain None for ids that are to be autogenerated.
414
415
TODO: Perhaps have an option to add the ids even if the files do
416
not (yet) exist.
417
418
TODO: Perhaps return the ids of the files? But then again it
419
is easy to retrieve them if they're needed.
420
421
TODO: Adding a directory should optionally recurse down and
422
add all non-ignored children. Perhaps do that in a
423
higher-level method.
259
424
"""
260
425
from bzrlib.textui import show_status
261
426
# TODO: Re-adding a file that is removed in the working copy
262
427
# should probably put it back with the previous ID.
263
if isinstance(files, types.StringTypes):
428
if isinstance(files, basestring):
429
assert(ids is None or isinstance(ids, basestring))
264
430
files = [files]
265
266
inv = self.read_working_inventory()
267
for f in files:
268
if is_control_file(f):
269
bailout("cannot add control file %s" % quotefn(f))
270
271
fp = splitpath(f)
272
273
if len(fp) == 0:
274
bailout("cannot add top-level %r" % f)
275
276
fullpath = os.path.normpath(self.abspath(f))
277
278
try:
279
kind = file_kind(fullpath)
280
except OSError:
281
# maybe something better?
282
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
283
284
if kind != 'file' and kind != 'directory':
285
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
286
287
file_id = gen_file_id(f)
288
inv.add_path(f, kind=kind, file_id=file_id)
289
290
if verbose:
291
show_status('A', kind, quotefn(f))
292
293
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
294
295
self._write_inventory(inv)
296
431
if ids is not None:
432
ids = [ids]
433
434
if ids is None:
435
ids = [None] * len(files)
436
else:
437
assert(len(ids) == len(files))
438
439
self.lock_write()
440
try:
441
inv = self.read_working_inventory()
442
for f,file_id in zip(files, ids):
443
if is_control_file(f):
444
raise BzrError("cannot add control file %s" % quotefn(f))
445
446
fp = splitpath(f)
447
448
if len(fp) == 0:
449
raise BzrError("cannot add top-level %r" % f)
450
451
fullpath = os.path.normpath(self.abspath(f))
452
453
try:
454
kind = file_kind(fullpath)
455
except OSError:
456
# maybe something better?
457
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
458
459
if kind != 'file' and kind != 'directory':
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
461
462
if file_id is None:
463
file_id = gen_file_id(f)
464
inv.add_path(f, kind=kind, file_id=file_id)
465
466
if verbose:
467
print 'added', quotefn(f)
468
469
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
470
471
self._write_inventory(inv)
472
finally:
473
self.unlock()
474
475
476
def print_file(self, file, revno):
477
"""Print `file` to stdout."""
478
self.lock_read()
479
try:
480
tree = self.revision_tree(self.lookup_revision(revno))
481
# use inventory as it was in that revision
482
file_id = tree.inventory.path2id(file)
483
if not file_id:
484
raise BzrError("%r is not present in revision %s" % (file, revno))
485
tree.print_file(file_id)
486
finally:
487
self.unlock()
297
488
298
489
299
490
def remove(self, files, verbose=False):
301
492
302
493
This does not remove their text. This does not run on
303
494
304
:todo: Refuse to remove modified files unless --force is given?
305
306
>>> b = ScratchBranch(files=['foo'])
307
>>> b.add('foo')
308
>>> b.inventory.has_filename('foo')
309
True
310
>>> b.remove('foo')
311
>>> b.working_tree().has_filename('foo')
312
True
313
>>> b.inventory.has_filename('foo')
314
False
315
316
>>> b = ScratchBranch(files=['foo'])
317
>>> b.add('foo')
318
>>> b.commit('one')
319
>>> b.remove('foo')
320
>>> b.commit('two')
321
>>> b.inventory.has_filename('foo')
322
False
323
>>> b.basis_tree().has_filename('foo')
324
False
325
>>> b.working_tree().has_filename('foo')
326
True
327
328
:todo: Do something useful with directories.
329
330
:todo: Should this remove the text or not? Tough call; not
495
TODO: Refuse to remove modified files unless --force is given?
496
497
TODO: Do something useful with directories.
498
499
TODO: Should this remove the text or not? Tough call; not
331
500
removing may be useful and the user can just use use rm, and
332
501
is the opposite of add. Removing it is consistent with most
333
502
other tools. Maybe an option.
334
503
"""
504
from bzrlib.textui import show_status
335
505
## TODO: Normalize names
336
506
## TODO: Remove nested loops; better scalability
337
338
if isinstance(files, types.StringTypes):
507
if isinstance(files, basestring):
339
508
files = [files]
340
341
tree = self.working_tree()
342
inv = tree.inventory
343
344
# do this before any modifications
345
for f in files:
346
fid = inv.path2id(f)
347
if not fid:
348
bailout("cannot remove unversioned file %s" % quotefn(f))
349
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
350
if verbose:
351
# having remove it, it must be either ignored or unknown
352
if tree.is_ignored(f):
353
new_status = 'I'
354
else:
355
new_status = '?'
356
show_status(new_status, inv[fid].kind, quotefn(f))
357
del inv[fid]
358
509
510
self.lock_write()
511
512
try:
513
tree = self.working_tree()
514
inv = tree.inventory
515
516
# do this before any modifications
517
for f in files:
518
fid = inv.path2id(f)
519
if not fid:
520
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
521
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
522
if verbose:
523
# having remove it, it must be either ignored or unknown
524
if tree.is_ignored(f):
525
new_status = 'I'
526
else:
527
new_status = '?'
528
show_status(new_status, inv[fid].kind, quotefn(f))
529
del inv[fid]
530
531
self._write_inventory(inv)
532
finally:
533
self.unlock()
534
535
536
# FIXME: this doesn't need to be a branch method
537
def set_inventory(self, new_inventory_list):
538
from bzrlib.inventory import Inventory, InventoryEntry
539
inv = Inventory(self.get_root_id())
540
for path, file_id, parent, kind in new_inventory_list:
541
name = os.path.basename(path)
542
if name == "":
543
continue
544
inv.add(InventoryEntry(file_id, name, kind, parent))
359
545
self._write_inventory(inv)
360
546
361
547
378
564
return self.working_tree().unknowns()
379
565
380
566
381
def commit(self, message, timestamp=None, timezone=None,
382
committer=None,
383
verbose=False):
384
"""Commit working copy as a new revision.
385
386
The basic approach is to add all the file texts into the
387
store, then the inventory, then make a new revision pointing
388
to that inventory and store that.
389
390
This is not quite safe if the working copy changes during the
391
commit; for the moment that is simply not allowed. A better
392
approach is to make a temporary copy of the files before
393
computing their hashes, and then add those hashes in turn to
394
the inventory. This should mean at least that there are no
395
broken hash pointers. There is no way we can get a snapshot
396
of the whole directory at an instant. This would also have to
397
be robust against files disappearing, moving, etc. So the
398
whole thing is a bit hard.
399
400
:param timestamp: if not None, seconds-since-epoch for a
401
postdated/predated commit.
402
"""
403
404
## TODO: Show branch names
405
406
# TODO: Don't commit if there are no changes, unless forced?
407
408
# First walk over the working inventory; and both update that
409
# and also build a new revision inventory. The revision
410
# inventory needs to hold the text-id, sha1 and size of the
411
# actual file versions committed in the revision. (These are
412
# not present in the working inventory.) We also need to
413
# detect missing/deleted files, and remove them from the
414
# working inventory.
415
416
work_inv = self.read_working_inventory()
417
inv = Inventory()
418
basis = self.basis_tree()
419
basis_inv = basis.inventory
420
missing_ids = []
421
for path, entry in work_inv.iter_entries():
422
## TODO: Cope with files that have gone missing.
423
424
## TODO: Check that the file kind has not changed from the previous
425
## revision of this file (if any).
426
427
entry = entry.copy()
428
429
p = self.abspath(path)
430
file_id = entry.file_id
431
mutter('commit prep file %s, id %r ' % (p, file_id))
432
433
if not os.path.exists(p):
434
mutter(" file is missing, removing from inventory")
435
if verbose:
436
show_status('D', entry.kind, quotefn(path))
437
missing_ids.append(file_id)
438
continue
439
440
# TODO: Handle files that have been deleted
441
442
# TODO: Maybe a special case for empty files? Seems a
443
# waste to store them many times.
444
445
inv.add(entry)
446
447
if basis_inv.has_id(file_id):
448
old_kind = basis_inv[file_id].kind
449
if old_kind != entry.kind:
450
bailout("entry %r changed kind from %r to %r"
451
% (file_id, old_kind, entry.kind))
452
453
if entry.kind == 'directory':
454
if not isdir(p):
455
bailout("%s is entered as directory but not a directory" % quotefn(p))
456
elif entry.kind == 'file':
457
if not isfile(p):
458
bailout("%s is entered as file but is not a file" % quotefn(p))
459
460
content = file(p, 'rb').read()
461
462
entry.text_sha1 = sha_string(content)
463
entry.text_size = len(content)
464
465
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
466
if (old_ie
467
and (old_ie.text_size == entry.text_size)
468
and (old_ie.text_sha1 == entry.text_sha1)):
469
## assert content == basis.get_file(file_id).read()
470
entry.text_id = basis_inv[file_id].text_id
471
mutter(' unchanged from previous text_id {%s}' %
472
entry.text_id)
473
474
else:
475
entry.text_id = gen_file_id(entry.name)
476
self.text_store.add(content, entry.text_id)
477
mutter(' stored with text_id {%s}' % entry.text_id)
478
if verbose:
479
if not old_ie:
480
state = 'A'
481
elif (old_ie.name == entry.name
482
and old_ie.parent_id == entry.parent_id):
483
state = 'R'
484
else:
485
state = 'M'
486
487
show_status(state, entry.kind, quotefn(path))
488
489
for file_id in missing_ids:
490
# have to do this later so we don't mess up the iterator.
491
# since parents may be removed before their children we
492
# have to test.
493
494
# FIXME: There's probably a better way to do this; perhaps
495
# the workingtree should know how to filter itself.
496
if work_inv.has_id(file_id):
497
del work_inv[file_id]
498
499
500
inv_id = rev_id = _gen_revision_id(time.time())
501
502
inv_tmp = tempfile.TemporaryFile()
503
inv.write_xml(inv_tmp)
504
inv_tmp.seek(0)
505
self.inventory_store.add(inv_tmp, inv_id)
506
mutter('new inventory_id is {%s}' % inv_id)
507
508
self._write_inventory(work_inv)
509
510
if timestamp == None:
511
timestamp = time.time()
512
513
if committer == None:
514
committer = username()
515
516
if timezone == None:
517
timezone = local_time_offset()
518
519
mutter("building commit log message")
520
rev = Revision(timestamp=timestamp,
521
timezone=timezone,
522
committer=committer,
523
precursor = self.last_patch(),
524
message = message,
525
inventory_id=inv_id,
526
revision_id=rev_id)
527
528
rev_tmp = tempfile.TemporaryFile()
529
rev.write_xml(rev_tmp)
530
rev_tmp.seek(0)
531
self.revision_store.add(rev_tmp, rev_id)
532
mutter("new revision_id is {%s}" % rev_id)
533
534
## XXX: Everything up to here can simply be orphaned if we abort
535
## the commit; it will leave junk files behind but that doesn't
536
## matter.
537
538
## TODO: Read back the just-generated changeset, and make sure it
539
## applies and recreates the right state.
540
541
## TODO: Also calculate and store the inventory SHA1
542
mutter("committing patch r%d" % (self.revno() + 1))
543
544
mutter("append to revision-history")
545
self.controlfile('revision-history', 'at').write(rev_id + '\n')
546
547
mutter("done!")
567
def append_revision(self, *revision_ids):
568
from bzrlib.atomicfile import AtomicFile
569
570
for revision_id in revision_ids:
571
mutter("add {%s} to revision-history" % revision_id)
572
573
rev_history = self.revision_history()
574
rev_history.extend(revision_ids)
575
576
f = AtomicFile(self.controlfilename('revision-history'))
577
try:
578
for rev_id in rev_history:
579
print >>f, rev_id
580
f.commit()
581
finally:
582
f.close()
548
583
549
584
550
585
def get_revision(self, revision_id):
551
586
"""Return the Revision object for a named revision"""
552
r = Revision.read_xml(self.revision_store[revision_id])
587
from bzrlib.revision import Revision
588
from bzrlib.xml import unpack_xml
589
590
self.lock_read()
591
try:
592
if not revision_id or not isinstance(revision_id, basestring):
593
raise ValueError('invalid revision-id: %r' % revision_id)
594
r = unpack_xml(Revision, self.revision_store[revision_id])
595
finally:
596
self.unlock()
597
553
598
assert r.revision_id == revision_id
554
599
return r
600
601
602
def get_revision_sha1(self, revision_id):
603
"""Hash the stored value of a revision, and return it."""
604
# In the future, revision entries will be signed. At that
605
# point, it is probably best *not* to include the signature
606
# in the revision hash. Because that lets you re-sign
607
# the revision, (add signatures/remove signatures) and still
608
# have all hash pointers stay consistent.
609
# But for now, just hash the contents.
610
return sha_file(self.revision_store[revision_id])
555
611
556
612
557
613
def get_inventory(self, inventory_id):
558
614
"""Get Inventory object by hash.
559
615
560
:todo: Perhaps for this and similar methods, take a revision
616
TODO: Perhaps for this and similar methods, take a revision
561
617
parameter which can be either an integer revno or a
562
618
string hash."""
563
i = Inventory.read_xml(self.inventory_store[inventory_id])
564
return i
619
from bzrlib.inventory import Inventory
620
from bzrlib.xml import unpack_xml
621
622
return unpack_xml(Inventory, self.inventory_store[inventory_id])
623
624
625
def get_inventory_sha1(self, inventory_id):
626
"""Return the sha1 hash of the inventory entry
627
"""
628
return sha_file(self.inventory_store[inventory_id])
565
629
566
630
567
631
def get_revision_inventory(self, revision_id):
568
632
"""Return inventory of a past revision."""
633
# bzr 0.0.6 imposes the constraint that the inventory_id
634
# must be the same as its revision, so this is trivial.
569
635
if revision_id == None:
570
return Inventory()
636
from bzrlib.inventory import Inventory
637
return Inventory(self.get_root_id())
571
638
else:
572
return self.get_inventory(self.get_revision(revision_id).inventory_id)
639
return self.get_inventory(revision_id)
573
640
574
641
575
642
def revision_history(self):
578
645
>>> ScratchBranch().revision_history()
579
646
[]
580
647
"""
581
return [chomp(l) for l in self.controlfile('revision-history').readlines()]
648
self.lock_read()
649
try:
650
return [l.rstrip('\r\n') for l in
651
self.controlfile('revision-history', 'r').readlines()]
652
finally:
653
self.unlock()
654
655
656
def common_ancestor(self, other, self_revno=None, other_revno=None):
657
"""
658
>>> import commit
659
>>> sb = ScratchBranch(files=['foo', 'foo~'])
660
>>> sb.common_ancestor(sb) == (None, None)
661
True
662
>>> commit.commit(sb, "Committing first revision", verbose=False)
663
>>> sb.common_ancestor(sb)[0]
664
1
665
>>> clone = sb.clone()
666
>>> commit.commit(sb, "Committing second revision", verbose=False)
667
>>> sb.common_ancestor(sb)[0]
668
2
669
>>> sb.common_ancestor(clone)[0]
670
1
671
>>> commit.commit(clone, "Committing divergent second revision",
672
... verbose=False)
673
>>> sb.common_ancestor(clone)[0]
674
1
675
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
676
True
677
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
678
True
679
>>> clone2 = sb.clone()
680
>>> sb.common_ancestor(clone2)[0]
681
2
682
>>> sb.common_ancestor(clone2, self_revno=1)[0]
683
1
684
>>> sb.common_ancestor(clone2, other_revno=1)[0]
685
1
686
"""
687
my_history = self.revision_history()
688
other_history = other.revision_history()
689
if self_revno is None:
690
self_revno = len(my_history)
691
if other_revno is None:
692
other_revno = len(other_history)
693
indices = range(min((self_revno, other_revno)))
694
indices.reverse()
695
for r in indices:
696
if my_history[r] == other_history[r]:
697
return r+1, my_history[r]
698
return None, None
699
700
def enum_history(self, direction):
701
"""Return (revno, revision_id) for history of branch.
702
703
direction
704
'forward' is from earliest to latest
705
'reverse' is from latest to earliest
706
"""
707
rh = self.revision_history()
708
if direction == 'forward':
709
i = 1
710
for rid in rh:
711
yield i, rid
712
i += 1
713
elif direction == 'reverse':
714
i = len(rh)
715
while i > 0:
716
yield i, rh[i-1]
717
i -= 1
718
else:
719
raise ValueError('invalid history direction', direction)
582
720
583
721
584
722
def revno(self):
586
724
587
725
That is equivalent to the number of revisions committed to
588
726
this branch.
589
590
>>> b = ScratchBranch()
591
>>> b.revno()
592
0
593
>>> b.commit('no foo')
594
>>> b.revno()
595
1
596
727
"""
597
728
return len(self.revision_history())
598
729
599
730
600
731
def last_patch(self):
601
732
"""Return last patch hash, or None if no history.
602
603
>>> ScratchBranch().last_patch() == None
604
True
605
733
"""
606
734
ph = self.revision_history()
607
735
if ph:
608
736
return ph[-1]
609
610
611
def lookup_revision(self, revno):
612
"""Return revision hash for revision number."""
613
if revno == 0:
614
return None
615
616
try:
617
# list is 0-based; revisions are 1-based
618
return self.revision_history()[revno-1]
619
except IndexError:
620
bailout("no such revision %s" % revno)
621
737
else:
738
return None
739
740
741
def missing_revisions(self, other, stop_revision=None):
742
"""
743
If self and other have not diverged, return a list of the revisions
744
present in other, but missing from self.
745
746
>>> from bzrlib.commit import commit
747
>>> bzrlib.trace.silent = True
748
>>> br1 = ScratchBranch()
749
>>> br2 = ScratchBranch()
750
>>> br1.missing_revisions(br2)
751
[]
752
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
753
>>> br1.missing_revisions(br2)
754
[u'REVISION-ID-1']
755
>>> br2.missing_revisions(br1)
756
[]
757
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
758
>>> br1.missing_revisions(br2)
759
[]
760
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
761
>>> br1.missing_revisions(br2)
762
[u'REVISION-ID-2A']
763
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
764
>>> br1.missing_revisions(br2)
765
Traceback (most recent call last):
766
DivergedBranches: These branches have diverged.
767
"""
768
self_history = self.revision_history()
769
self_len = len(self_history)
770
other_history = other.revision_history()
771
other_len = len(other_history)
772
common_index = min(self_len, other_len) -1
773
if common_index >= 0 and \
774
self_history[common_index] != other_history[common_index]:
775
raise DivergedBranches(self, other)
776
777
if stop_revision is None:
778
stop_revision = other_len
779
elif stop_revision > other_len:
780
raise NoSuchRevision(self, stop_revision)
781
782
return other_history[self_len:stop_revision]
783
784
785
def update_revisions(self, other, stop_revision=None):
786
"""Pull in all new revisions from other branch.
787
788
>>> from bzrlib.commit import commit
789
>>> bzrlib.trace.silent = True
790
>>> br1 = ScratchBranch(files=['foo', 'bar'])
791
>>> br1.add('foo')
792
>>> br1.add('bar')
793
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
794
>>> br2 = ScratchBranch()
795
>>> br2.update_revisions(br1)
796
Added 2 texts.
797
Added 1 inventories.
798
Added 1 revisions.
799
>>> br2.revision_history()
800
[u'REVISION-ID-1']
801
>>> br2.update_revisions(br1)
802
Added 0 texts.
803
Added 0 inventories.
804
Added 0 revisions.
805
>>> br1.text_store.total_size() == br2.text_store.total_size()
806
True
807
"""
808
from bzrlib.progress import ProgressBar
809
try:
810
set
811
except NameError:
812
from sets import Set as set
813
814
pb = ProgressBar()
815
816
pb.update('comparing histories')
817
revision_ids = self.missing_revisions(other, stop_revision)
818
819
if hasattr(other.revision_store, "prefetch"):
820
other.revision_store.prefetch(revision_ids)
821
if hasattr(other.inventory_store, "prefetch"):
822
inventory_ids = [other.get_revision(r).inventory_id
823
for r in revision_ids]
824
other.inventory_store.prefetch(inventory_ids)
825
826
revisions = []
827
needed_texts = set()
828
i = 0
829
for rev_id in revision_ids:
830
i += 1
831
pb.update('fetching revision', i, len(revision_ids))
832
rev = other.get_revision(rev_id)
833
revisions.append(rev)
834
inv = other.get_inventory(str(rev.inventory_id))
835
for key, entry in inv.iter_entries():
836
if entry.text_id is None:
837
continue
838
if entry.text_id not in self.text_store:
839
needed_texts.add(entry.text_id)
840
841
pb.clear()
842
843
count = self.text_store.copy_multi(other.text_store, needed_texts)
844
print "Added %d texts." % count
845
inventory_ids = [ f.inventory_id for f in revisions ]
846
count = self.inventory_store.copy_multi(other.inventory_store,
847
inventory_ids)
848
print "Added %d inventories." % count
849
revision_ids = [ f.revision_id for f in revisions]
850
count = self.revision_store.copy_multi(other.revision_store,
851
revision_ids)
852
for revision_id in revision_ids:
853
self.append_revision(revision_id)
854
print "Added %d revisions." % count
855
856
857
def commit(self, *args, **kw):
858
from bzrlib.commit import commit
859
commit(self, *args, **kw)
860
861
862
def lookup_revision(self, revision):
863
"""Return the revision identifier for a given revision information."""
864
revno, info = self.get_revision_info(revision)
865
return info
866
867
def get_revision_info(self, revision):
868
"""Return (revno, revision id) for revision identifier.
869
870
revision can be an integer, in which case it is assumed to be revno (though
871
this will translate negative values into positive ones)
872
revision can also be a string, in which case it is parsed for something like
873
'date:' or 'revid:' etc.
874
"""
875
if revision is None:
876
return 0, None
877
revno = None
878
try:# Convert to int if possible
879
revision = int(revision)
880
except ValueError:
881
pass
882
revs = self.revision_history()
883
if isinstance(revision, int):
884
if revision == 0:
885
return 0, None
886
# Mabye we should do this first, but we don't need it if revision == 0
887
if revision < 0:
888
revno = len(revs) + revision + 1
889
else:
890
revno = revision
891
elif isinstance(revision, basestring):
892
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
893
if revision.startswith(prefix):
894
revno = func(self, revs, revision)
895
break
896
else:
897
raise BzrError('No namespace registered for string: %r' % revision)
898
899
if revno is None or revno <= 0 or revno > len(revs):
900
raise BzrError("no such revision %s" % revision)
901
return revno, revs[revno-1]
902
903
def _namespace_revno(self, revs, revision):
904
"""Lookup a revision by revision number"""
905
assert revision.startswith('revno:')
906
try:
907
return int(revision[6:])
908
except ValueError:
909
return None
910
REVISION_NAMESPACES['revno:'] = _namespace_revno
911
912
def _namespace_revid(self, revs, revision):
913
assert revision.startswith('revid:')
914
try:
915
return revs.index(revision[6:]) + 1
916
except ValueError:
917
return None
918
REVISION_NAMESPACES['revid:'] = _namespace_revid
919
920
def _namespace_last(self, revs, revision):
921
assert revision.startswith('last:')
922
try:
923
offset = int(revision[5:])
924
except ValueError:
925
return None
926
else:
927
if offset <= 0:
928
raise BzrError('You must supply a positive value for --revision last:XXX')
929
return len(revs) - offset + 1
930
REVISION_NAMESPACES['last:'] = _namespace_last
931
932
def _namespace_tag(self, revs, revision):
933
assert revision.startswith('tag:')
934
raise BzrError('tag: namespace registered, but not implemented.')
935
REVISION_NAMESPACES['tag:'] = _namespace_tag
936
937
def _namespace_date(self, revs, revision):
938
assert revision.startswith('date:')
939
import datetime
940
# Spec for date revisions:
941
# date:value
942
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
943
# it can also start with a '+/-/='. '+' says match the first
944
# entry after the given date. '-' is match the first entry before the date
945
# '=' is match the first entry after, but still on the given date.
946
#
947
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
948
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
949
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
950
# May 13th, 2005 at 0:00
951
#
952
# So the proper way of saying 'give me all entries for today' is:
953
# -r {date:+today}:{date:-tomorrow}
954
# The default is '=' when not supplied
955
val = revision[5:]
956
match_style = '='
957
if val[:1] in ('+', '-', '='):
958
match_style = val[:1]
959
val = val[1:]
960
961
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
962
if val.lower() == 'yesterday':
963
dt = today - datetime.timedelta(days=1)
964
elif val.lower() == 'today':
965
dt = today
966
elif val.lower() == 'tomorrow':
967
dt = today + datetime.timedelta(days=1)
968
else:
969
import re
970
# This should be done outside the function to avoid recompiling it.
971
_date_re = re.compile(
972
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
973
r'(,|T)?\s*'
974
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
975
)
976
m = _date_re.match(val)
977
if not m or (not m.group('date') and not m.group('time')):
978
raise BzrError('Invalid revision date %r' % revision)
979
980
if m.group('date'):
981
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
982
else:
983
year, month, day = today.year, today.month, today.day
984
if m.group('time'):
985
hour = int(m.group('hour'))
986
minute = int(m.group('minute'))
987
if m.group('second'):
988
second = int(m.group('second'))
989
else:
990
second = 0
991
else:
992
hour, minute, second = 0,0,0
993
994
dt = datetime.datetime(year=year, month=month, day=day,
995
hour=hour, minute=minute, second=second)
996
first = dt
997
last = None
998
reversed = False
999
if match_style == '-':
1000
reversed = True
1001
elif match_style == '=':
1002
last = dt + datetime.timedelta(days=1)
1003
1004
if reversed:
1005
for i in range(len(revs)-1, -1, -1):
1006
r = self.get_revision(revs[i])
1007
# TODO: Handle timezone.
1008
dt = datetime.datetime.fromtimestamp(r.timestamp)
1009
if first >= dt and (last is None or dt >= last):
1010
return i+1
1011
else:
1012
for i in range(len(revs)):
1013
r = self.get_revision(revs[i])
1014
# TODO: Handle timezone.
1015
dt = datetime.datetime.fromtimestamp(r.timestamp)
1016
if first <= dt and (last is None or dt <= last):
1017
return i+1
1018
REVISION_NAMESPACES['date:'] = _namespace_date
622
1019
623
1020
def revision_tree(self, revision_id):
624
1021
"""Return Tree for a revision on this branch.
625
1022
626
1023
`revision_id` may be None for the null revision, in which case
627
1024
an `EmptyTree` is returned."""
628
1025
from bzrlib.tree import EmptyTree, RevisionTree
1026
# TODO: refactor this to use an existing revision object
1027
# so we don't need to read it in twice.
629
1028
if revision_id == None:
630
return EmptyTree()
1029
return EmptyTree(self.get_root_id())
631
1030
else:
632
1031
inv = self.get_revision_inventory(revision_id)
633
1032
return RevisionTree(self.text_store, inv)
635
1034
636
1035
def working_tree(self):
637
1036
"""Return a `Tree` for the working copy."""
1037
from workingtree import WorkingTree
638
1038
return WorkingTree(self.base, self.read_working_inventory())
639
1039
640
1040
642
1042
"""Return `Tree` object for last revision.
643
1043
644
1044
If there are no revisions yet, return an `EmptyTree`.
645
646
>>> b = ScratchBranch(files=['foo'])
647
>>> b.basis_tree().has_filename('foo')
648
False
649
>>> b.working_tree().has_filename('foo')
650
True
651
>>> b.add('foo')
652
>>> b.commit('add foo')
653
>>> b.basis_tree().has_filename('foo')
654
True
655
1045
"""
1046
from bzrlib.tree import EmptyTree, RevisionTree
656
1047
r = self.last_patch()
657
1048
if r == None:
658
return EmptyTree()
1049
return EmptyTree(self.get_root_id())
659
1050
else:
660
1051
return RevisionTree(self.text_store, self.get_revision_inventory(r))
661
1052
662
1053
663
1054
664
def write_log(self, show_timezone='original'):
665
"""Write out human-readable log of commits to this branch
666
667
:param utc: If true, show dates in universal time, not local time."""
668
## TODO: Option to choose either original, utc or local timezone
669
revno = 1
670
precursor = None
671
for p in self.revision_history():
672
print '-' * 40
673
print 'revno:', revno
674
## TODO: Show hash if --id is given.
675
##print 'revision-hash:', p
676
rev = self.get_revision(p)
677
print 'committer:', rev.committer
678
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
679
show_timezone))
680
681
## opportunistic consistency check, same as check_patch_chaining
682
if rev.precursor != precursor:
683
bailout("mismatched precursor!")
684
685
print 'message:'
686
if not rev.message:
687
print ' (no message)'
688
else:
689
for l in rev.message.split('\n'):
690
print ' ' + l
691
692
revno += 1
693
precursor = p
694
695
696
697
def show_status(branch, show_all=False):
698
"""Display single-line status for non-ignored working files.
699
700
The list is show sorted in order by file name.
701
702
>>> b = ScratchBranch(files=['foo', 'foo~'])
703
>>> b.show_status()
704
? foo
705
>>> b.add('foo')
706
>>> b.show_status()
707
A foo
708
>>> b.commit("add foo")
709
>>> b.show_status()
710
>>> os.unlink(b.abspath('foo'))
711
>>> b.show_status()
712
D foo
1055
def rename_one(self, from_rel, to_rel):
1056
"""Rename one file.
1057
1058
This can change the directory or the filename or both.
1059
"""
1060
self.lock_write()
1061
try:
1062
tree = self.working_tree()
1063
inv = tree.inventory
1064
if not tree.has_filename(from_rel):
1065
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1066
if tree.has_filename(to_rel):
1067
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1068
1069
file_id = inv.path2id(from_rel)
1070
if file_id == None:
1071
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1072
1073
if inv.path2id(to_rel):
1074
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1075
1076
to_dir, to_tail = os.path.split(to_rel)
1077
to_dir_id = inv.path2id(to_dir)
1078
if to_dir_id == None and to_dir != '':
1079
raise BzrError("can't determine destination directory id for %r" % to_dir)
1080
1081
mutter("rename_one:")
1082
mutter(" file_id {%s}" % file_id)
1083
mutter(" from_rel %r" % from_rel)
1084
mutter(" to_rel %r" % to_rel)
1085
mutter(" to_dir %r" % to_dir)
1086
mutter(" to_dir_id {%s}" % to_dir_id)
1087
1088
inv.rename(file_id, to_dir_id, to_tail)
1089
1090
print "%s => %s" % (from_rel, to_rel)
1091
1092
from_abs = self.abspath(from_rel)
1093
to_abs = self.abspath(to_rel)
1094
try:
1095
os.rename(from_abs, to_abs)
1096
except OSError, e:
1097
raise BzrError("failed to rename %r to %r: %s"
1098
% (from_abs, to_abs, e[1]),
1099
["rename rolled back"])
1100
1101
self._write_inventory(inv)
1102
finally:
1103
self.unlock()
1104
1105
1106
def move(self, from_paths, to_name):
1107
"""Rename files.
1108
1109
to_name must exist as a versioned directory.
1110
1111
If to_name exists and is a directory, the files are moved into
1112
it, keeping their old names. If it is a directory,
1113
1114
Note that to_name is only the last component of the new name;
1115
this doesn't change the directory.
1116
"""
1117
self.lock_write()
1118
try:
1119
## TODO: Option to move IDs only
1120
assert not isinstance(from_paths, basestring)
1121
tree = self.working_tree()
1122
inv = tree.inventory
1123
to_abs = self.abspath(to_name)
1124
if not isdir(to_abs):
1125
raise BzrError("destination %r is not a directory" % to_abs)
1126
if not tree.has_filename(to_name):
1127
raise BzrError("destination %r not in working directory" % to_abs)
1128
to_dir_id = inv.path2id(to_name)
1129
if to_dir_id == None and to_name != '':
1130
raise BzrError("destination %r is not a versioned directory" % to_name)
1131
to_dir_ie = inv[to_dir_id]
1132
if to_dir_ie.kind not in ('directory', 'root_directory'):
1133
raise BzrError("destination %r is not a directory" % to_abs)
1134
1135
to_idpath = inv.get_idpath(to_dir_id)
1136
1137
for f in from_paths:
1138
if not tree.has_filename(f):
1139
raise BzrError("%r does not exist in working tree" % f)
1140
f_id = inv.path2id(f)
1141
if f_id == None:
1142
raise BzrError("%r is not versioned" % f)
1143
name_tail = splitpath(f)[-1]
1144
dest_path = appendpath(to_name, name_tail)
1145
if tree.has_filename(dest_path):
1146
raise BzrError("destination %r already exists" % dest_path)
1147
if f_id in to_idpath:
1148
raise BzrError("can't move %r to a subdirectory of itself" % f)
1149
1150
# OK, so there's a race here, it's possible that someone will
1151
# create a file in this interval and then the rename might be
1152
# left half-done. But we should have caught most problems.
1153
1154
for f in from_paths:
1155
name_tail = splitpath(f)[-1]
1156
dest_path = appendpath(to_name, name_tail)
1157
print "%s => %s" % (f, dest_path)
1158
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1159
try:
1160
os.rename(self.abspath(f), self.abspath(dest_path))
1161
except OSError, e:
1162
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1163
["rename rolled back"])
1164
1165
self._write_inventory(inv)
1166
finally:
1167
self.unlock()
1168
1169
1170
def revert(self, filenames, old_tree=None, backups=True):
1171
"""Restore selected files to the versions from a previous tree.
1172
1173
backups
1174
If true (default) backups are made of files before
1175
they're renamed.
1176
"""
1177
from bzrlib.errors import NotVersionedError, BzrError
1178
from bzrlib.atomicfile import AtomicFile
1179
from bzrlib.osutils import backup_file
713
1180
714
715
:todo: Get state for single files.
716
717
:todo: Perhaps show a slash at the end of directory names.
718
1181
inv = self.read_working_inventory()
1182
if old_tree is None:
1183
old_tree = self.basis_tree()
1184
old_inv = old_tree.inventory
1185
1186
nids = []
1187
for fn in filenames:
1188
file_id = inv.path2id(fn)
1189
if not file_id:
1190
raise NotVersionedError("not a versioned file", fn)
1191
if not old_inv.has_id(file_id):
1192
raise BzrError("file not present in old tree", fn, file_id)
1193
nids.append((fn, file_id))
1194
1195
# TODO: Rename back if it was previously at a different location
1196
1197
# TODO: If given a directory, restore the entire contents from
1198
# the previous version.
1199
1200
# TODO: Make a backup to a temporary file.
1201
1202
# TODO: If the file previously didn't exist, delete it?
1203
for fn, file_id in nids:
1204
backup_file(fn)
1205
1206
f = AtomicFile(fn, 'wb')
1207
try:
1208
f.write(old_tree.get_file(file_id).read())
1209
f.commit()
1210
finally:
1211
f.close()
1212
1213
1214
def pending_merges(self):
1215
"""Return a list of pending merges.
1216
1217
These are revisions that have been merged into the working
1218
directory but not yet committed.
719
1219
"""
720
721
# We have to build everything into a list first so that it can
722
# sorted by name, incorporating all the different sources.
723
724
# FIXME: Rather than getting things in random order and then sorting,
725
# just step through in order.
726
727
# Interesting case: the old ID for a file has been removed,
728
# but a new file has been created under that name.
729
730
old = branch.basis_tree()
731
old_inv = old.inventory
732
new = branch.working_tree()
733
new_inv = new.inventory
734
735
for fs, fid, oldname, newname, kind in diff_trees(old, new):
736
if fs == 'R':
737
show_status(fs, kind,
738
oldname + ' => ' + newname)
739
elif fs == 'A' or fs == 'M':
740
show_status(fs, kind, newname)
741
elif fs == 'D':
742
show_status(fs, kind, oldname)
743
elif fs == '.':
744
if show_all:
745
show_status(fs, kind, newname)
746
elif fs == 'I':
747
if show_all:
748
show_status(fs, kind, newname)
749
elif fs == '?':
750
show_status(fs, kind, newname)
751
else:
752
bailout("wierd file state %r" % ((fs, fid),))
753
1220
cfn = self.controlfilename('pending-merges')
1221
if not os.path.exists(cfn):
1222
return []
1223
p = []
1224
for l in self.controlfile('pending-merges', 'r').readlines():
1225
p.append(l.rstrip('\n'))
1226
return p
1227
1228
1229
def add_pending_merge(self, revision_id):
1230
from bzrlib.revision import validate_revision_id
1231
1232
validate_revision_id(revision_id)
1233
1234
p = self.pending_merges()
1235
if revision_id in p:
1236
return
1237
p.append(revision_id)
1238
self.set_pending_merges(p)
1239
1240
1241
def set_pending_merges(self, rev_list):
1242
from bzrlib.atomicfile import AtomicFile
1243
self.lock_write()
1244
try:
1245
f = AtomicFile(self.controlfilename('pending-merges'))
1246
try:
1247
for l in rev_list:
1248
print >>f, l
1249
f.commit()
1250
finally:
1251
f.close()
1252
finally:
1253
self.unlock()
1254
754
1255
755
1256
756
1257
class ScratchBranch(Branch):
760
1261
>>> isdir(b.base)
761
1262
True
762
1263
>>> bd = b.base
763
>>> del b
1264
>>> b.destroy()
764
1265
>>> isdir(bd)
765
1266
False
766
1267
"""
767
def __init__(self, files = []):
1268
def __init__(self, files=[], dirs=[], base=None):
768
1269
"""Make a test branch.
769
1270
770
1271
This creates a temporary directory and runs init-tree in it.
771
1272
772
1273
If any files are listed, they are created in the working copy.
773
1274
"""
774
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1275
from tempfile import mkdtemp
1276
init = False
1277
if base is None:
1278
base = mkdtemp()
1279
init = True
1280
Branch.__init__(self, base, init=init)
1281
for d in dirs:
1282
os.mkdir(self.abspath(d))
1283
775
1284
for f in files:
776
1285
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
777
1286
778
1287
1288
def clone(self):
1289
"""
1290
>>> orig = ScratchBranch(files=["file1", "file2"])
1291
>>> clone = orig.clone()
1292
>>> os.path.samefile(orig.base, clone.base)
1293
False
1294
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1295
True
1296
"""
1297
from shutil import copytree
1298
from tempfile import mkdtemp
1299
base = mkdtemp()
1300
os.rmdir(base)
1301
copytree(self.base, base, symlinks=True)
1302
return ScratchBranch(base=base)
1303
779
1304
def __del__(self):
1305
self.destroy()
1306
1307
def destroy(self):
780
1308
"""Destroy the test branch, removing the scratch directory."""
781
shutil.rmtree(self.base)
1309
from shutil import rmtree
1310
try:
1311
if self.base:
1312
mutter("delete ScratchBranch %s" % self.base)
1313
rmtree(self.base)
1314
except OSError, e:
1315
# Work around for shutil.rmtree failing on Windows when
1316
# readonly files are encountered
1317
mutter("hit exception in destroying ScratchBranch: %s" % e)
1318
for root, dirs, files in os.walk(self.base, topdown=False):
1319
for name in files:
1320
os.chmod(os.path.join(root, name), 0700)
1321
rmtree(self.base)
1322
self.base = None
782
1323
783
1324
784
1325
801
1342
802
1343
803
1344
804
def _gen_revision_id(when):
805
"""Return new revision-id."""
806
s = '%s-%s-' % (user_email(), compact_date(when))
807
s += hexlify(rand_bytes(8))
808
return s
809
810
811
1345
def gen_file_id(name):
812
1346
"""Return new file id.
813
1347
814
1348
This should probably generate proper UUIDs, but for the moment we
815
1349
cope with just randomness because running uuidgen every time is
816
1350
slow."""
1351
import re
1352
from binascii import hexlify
1353
from time import time
1354
1355
# get last component
817
1356
idx = name.rfind('/')
818
1357
if idx != -1:
819
1358
name = name[idx+1 : ]
1359
idx = name.rfind('\\')
1360
if idx != -1:
1361
name = name[idx+1 : ]
820
1362
1363
# make it not a hidden file
821
1364
name = name.lstrip('.')
822
1365
1366
# remove any wierd characters; we don't escape them but rather
1367
# just pull them out
1368
name = re.sub(r'[^\w.]', '', name)
1369
823
1370
s = hexlify(rand_bytes(8))
824
return '-'.join((name, compact_date(time.time()), s))
825
1371
return '-'.join((name, compact_date(time()), s))
1372
1373
1374
def gen_root_id():
1375
"""Return a new tree-root file id."""
1376
return gen_file_id('TREE_ROOT')
826
1377
Loggerhead is a web-based interface for Breezy
Version: 2.0.1