« back to all changes in this revision
Viewing changes to bzrlib/branch.py
- browse files at revision 1000
- compare with another revision
- download diff
- download tarball
- view history from revision 1000
- Committer: Martin Pool
- Date: 2005-07-29 13:40:25 UTC
- Revision ID: mbp@sourcefrog.net-20050729134025-9abbcae0d0faf25f
- todo: discussion of an uncommit command
and this is the thousandth revision! :-)
and this is the thousandth revision! :-)
- files added:
- .bzrignore
- bzrlib/selftest
- contrib
- contrib/bash
- contrib/zsh
- effbot
- effbot/org
- elementtree
- patches
- plugins
- plugins/changeset
- tools
- urlgrabber
- files removed:
- bzrlib/tests.py
- files renamed:
- bzr.py => bzrlib/commands.py
- files modified:
- README
added
removed
bzrlib/branch.py
1
#! /usr/bin/env python
2
# -*- coding: UTF-8 -*-
1
# Copyright (C) 2005 Canonical Ltd
3
2
4
3
# This program is free software; you can redistribute it and/or modify
5
4
# it under the terms of the GNU General Public License as published by
16
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
16
18
17
19
from sets import Set
20
21
import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
22
import traceback, socket, fnmatch, difflib, time
23
from binascii import hexlify
18
import sys, os
24
19
25
20
import bzrlib
26
from inventory import Inventory
27
from trace import mutter, note
28
from tree import Tree, EmptyTree, RevisionTree, WorkingTree
29
from inventory import InventoryEntry, Inventory
30
from osutils import isdir, quotefn, isfile, uuid, sha_file, username, chomp, \
31
format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
32
joinpath, sha_string, file_kind, local_time_offset
33
from store import ImmutableStore
34
from revision import Revision
35
from errors import bailout
36
from textui import show_status
37
from diff import diff_trees
38
21
22
from bzrlib.trace import mutter, note
23
from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, splitpath, \
24
sha_file, appendpath, file_kind
25
from bzrlib.errors import BzrError
26
from bzrlib.textui import show_status
27
39
28
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
40
29
## TODO: Maybe include checks for common corruption of newlines, etc?
41
30
42
31
43
32
33
def find_branch(f, **args):
34
if f and (f.startswith('http://') or f.startswith('https://')):
35
import remotebranch
36
return remotebranch.RemoteBranch(f, **args)
37
else:
38
return Branch(f, **args)
39
40
41
def find_cached_branch(f, cache_root, **args):
42
from remotebranch import RemoteBranch
43
br = find_branch(f, **args)
44
def cacheify(br, store_name):
45
from meta_store import CachedStore
46
cache_path = os.path.join(cache_root, store_name)
47
os.mkdir(cache_path)
48
new_store = CachedStore(getattr(br, store_name), cache_path)
49
setattr(br, store_name, new_store)
50
51
if isinstance(br, RemoteBranch):
52
cacheify(br, 'inventory_store')
53
cacheify(br, 'text_store')
54
cacheify(br, 'revision_store')
55
return br
56
57
58
def _relpath(base, path):
59
"""Return path relative to base, or raise exception.
60
61
The path may be either an absolute path or a path relative to the
62
current working directory.
63
64
Lifted out of Branch.relpath for ease of testing.
65
66
os.path.commonprefix (python2.4) has a bad bug that it works just
67
on string prefixes, assuming that '/u' is a prefix of '/u2'. This
68
avoids that problem."""
69
rp = os.path.abspath(path)
70
71
s = []
72
head = rp
73
while len(head) >= len(base):
74
if head == base:
75
break
76
head, tail = os.path.split(head)
77
if tail:
78
s.insert(0, tail)
79
else:
80
from errors import NotBranchError
81
raise NotBranchError("path %r is not within branch %r" % (rp, base))
82
83
return os.sep.join(s)
84
85
86
def find_branch_root(f=None):
87
"""Find the branch root enclosing f, or pwd.
88
89
f may be a filename or a URL.
90
91
It is not necessary that f exists.
92
93
Basically we keep looking up until we find the control directory or
94
run into the root."""
95
if f == None:
96
f = os.getcwd()
97
elif hasattr(os.path, 'realpath'):
98
f = os.path.realpath(f)
99
else:
100
f = os.path.abspath(f)
101
if not os.path.exists(f):
102
raise BzrError('%r does not exist' % f)
103
104
105
orig_f = f
106
107
while True:
108
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
109
return f
110
head, tail = os.path.split(f)
111
if head == f:
112
# reached the root, whatever that may be
113
raise BzrError('%r is not in a branch' % orig_f)
114
f = head
115
116
class DivergedBranches(Exception):
117
def __init__(self, branch1, branch2):
118
self.branch1 = branch1
119
self.branch2 = branch2
120
Exception.__init__(self, "These branches have diverged.")
121
122
123
class NoSuchRevision(BzrError):
124
def __init__(self, branch, revision):
125
self.branch = branch
126
self.revision = revision
127
msg = "Branch %s has no revision %d" % (branch, revision)
128
BzrError.__init__(self, msg)
44
129
45
130
46
131
######################################################################
47
132
# branch objects
48
133
49
class Branch:
134
class Branch(object):
50
135
"""Branch holding a history of revisions.
51
136
52
:todo: Perhaps use different stores for different classes of object,
53
so that we can keep track of how much space each one uses,
54
or garbage-collect them.
55
56
:todo: Add a RemoteBranch subclass. For the basic case of read-only
57
HTTP access this should be very easy by,
58
just redirecting controlfile access into HTTP requests.
59
We would need a RemoteStore working similarly.
60
61
:todo: Keep the on-disk branch locked while the object exists.
62
63
:todo: mkdir() method.
137
base
138
Base directory of the branch.
139
140
_lock_mode
141
None, or 'r' or 'w'
142
143
_lock_count
144
If _lock_mode is true, a positive count of the number of times the
145
lock has been taken.
146
147
_lock
148
Lock object from bzrlib.lock.
64
149
"""
65
def __init__(self, base, init=False):
150
base = None
151
_lock_mode = None
152
_lock_count = None
153
_lock = None
154
155
# Map some sort of prefix into a namespace
156
# stuff like "revno:10", "revid:", etc.
157
# This should match a prefix with a function which accepts
158
REVISION_NAMESPACES = {}
159
160
def __init__(self, base, init=False, find_root=True):
66
161
"""Create new branch object at a particular location.
67
162
68
:param base: Base directory for the branch.
69
70
:param init: If True, create new control files in a previously
163
base -- Base directory for the branch.
164
165
init -- If True, create new control files in a previously
71
166
unversioned directory. If False, the branch must already
72
167
be versioned.
73
168
169
find_root -- If true and init is false, find the root of the
170
existing branch containing base.
171
74
172
In the test suite, creation of new trees is tested using the
75
173
`ScratchBranch` class.
76
174
"""
77
self.base = os.path.realpath(base)
175
from bzrlib.store import ImmutableStore
78
176
if init:
177
self.base = os.path.realpath(base)
79
178
self._make_control()
179
elif find_root:
180
self.base = find_branch_root(base)
80
181
else:
182
self.base = os.path.realpath(base)
81
183
if not isdir(self.controlfilename('.')):
82
bailout("not a bzr branch: %s" % quotefn(base),
83
['use "bzr init" to initialize a new working tree',
84
'current bzr can only operate from top-of-tree'])
85
self._check_format()
184
from errors import NotBranchError
185
raise NotBranchError("not a bzr branch: %s" % quotefn(base),
186
['use "bzr init" to initialize a new working tree',
187
'current bzr can only operate from top-of-tree'])
188
self._check_format()
86
189
87
190
self.text_store = ImmutableStore(self.controlfilename('text-store'))
88
191
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
96
199
__repr__ = __str__
97
200
98
201
99
def _rel(self, name):
100
"""Return filename relative to branch top"""
202
def __del__(self):
203
if self._lock_mode or self._lock:
204
from warnings import warn
205
warn("branch %r was not explicitly unlocked" % self)
206
self._lock.unlock()
207
208
209
210
def lock_write(self):
211
if self._lock_mode:
212
if self._lock_mode != 'w':
213
from errors import LockError
214
raise LockError("can't upgrade to a write lock from %r" %
215
self._lock_mode)
216
self._lock_count += 1
217
else:
218
from bzrlib.lock import WriteLock
219
220
self._lock = WriteLock(self.controlfilename('branch-lock'))
221
self._lock_mode = 'w'
222
self._lock_count = 1
223
224
225
226
def lock_read(self):
227
if self._lock_mode:
228
assert self._lock_mode in ('r', 'w'), \
229
"invalid lock mode %r" % self._lock_mode
230
self._lock_count += 1
231
else:
232
from bzrlib.lock import ReadLock
233
234
self._lock = ReadLock(self.controlfilename('branch-lock'))
235
self._lock_mode = 'r'
236
self._lock_count = 1
237
238
239
240
def unlock(self):
241
if not self._lock_mode:
242
from errors import LockError
243
raise LockError('branch %r is not locked' % (self))
244
245
if self._lock_count > 1:
246
self._lock_count -= 1
247
else:
248
self._lock.unlock()
249
self._lock = None
250
self._lock_mode = self._lock_count = None
251
252
253
def abspath(self, name):
254
"""Return absolute filename for something in the branch"""
101
255
return os.path.join(self.base, name)
102
256
257
258
def relpath(self, path):
259
"""Return path relative to this branch of something inside it.
260
261
Raises an error if path is not in this branch."""
262
return _relpath(self.base, path)
263
103
264
104
265
def controlfilename(self, file_or_path):
105
266
"""Return location relative to branch."""
106
if isinstance(file_or_path, types.StringTypes):
267
if isinstance(file_or_path, basestring):
107
268
file_or_path = [file_or_path]
108
269
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
109
270
110
271
111
272
def controlfile(self, file_or_path, mode='r'):
112
"""Open a control file for this branch"""
113
return file(self.controlfilename(file_or_path), mode)
273
"""Open a control file for this branch.
274
275
There are two classes of file in the control directory: text
276
and binary. binary files are untranslated byte streams. Text
277
control files are stored with Unix newlines and in UTF-8, even
278
if the platform or locale defaults are different.
279
280
Controlfiles should almost never be opened in write mode but
281
rather should be atomically copied and replaced using atomicfile.
282
"""
283
284
fn = self.controlfilename(file_or_path)
285
286
if mode == 'rb' or mode == 'wb':
287
return file(fn, mode)
288
elif mode == 'r' or mode == 'w':
289
# open in binary mode anyhow so there's no newline translation;
290
# codecs uses line buffering by default; don't want that.
291
import codecs
292
return codecs.open(fn, mode + 'b', 'utf-8',
293
buffering=60000)
294
else:
295
raise BzrError("invalid controlfile mode %r" % mode)
296
114
297
115
298
116
299
def _make_control(self):
300
from bzrlib.inventory import Inventory
301
from bzrlib.xml import pack_xml
302
117
303
os.mkdir(self.controlfilename([]))
118
304
self.controlfile('README', 'w').write(
119
305
"This is a Bazaar-NG control directory.\n"
120
"Do not change any files in this directory.")
306
"Do not change any files in this directory.\n")
121
307
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
122
308
for d in ('text-store', 'inventory-store', 'revision-store'):
123
309
os.mkdir(self.controlfilename(d))
124
310
for f in ('revision-history', 'merged-patches',
125
'pending-merged-patches', 'branch-name'):
311
'pending-merged-patches', 'branch-name',
312
'branch-lock',
313
'pending-merges'):
126
314
self.controlfile(f, 'w').write('')
127
315
mutter('created control directory in ' + self.base)
128
Inventory().write_xml(self.controlfile('inventory','w'))
316
317
pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
129
318
130
319
131
320
def _check_format(self):
135
324
136
325
In the future, we might need different in-memory Branch
137
326
classes to support downlevel branches. But not yet.
138
"""
139
# read in binary mode to detect newline wierdness.
140
fmt = self.controlfile('branch-format', 'rb').read()
327
"""
328
# This ignores newlines so that we can open branches created
329
# on Windows from Linux and so on. I think it might be better
330
# to always make all internal files in unix format.
331
fmt = self.controlfile('branch-format', 'r').read()
332
fmt.replace('\r\n', '')
141
333
if fmt != BZR_BRANCH_FORMAT:
142
bailout('sorry, branch format %r not supported' % fmt,
143
['use a different bzr version',
144
'or remove the .bzr directory and "bzr init" again'])
145
334
raise BzrError('sorry, branch format %r not supported' % fmt,
335
['use a different bzr version',
336
'or remove the .bzr directory and "bzr init" again'])
337
338
def get_root_id(self):
339
"""Return the id of this branches root"""
340
inv = self.read_working_inventory()
341
return inv.root.file_id
342
343
def set_root_id(self, file_id):
344
inv = self.read_working_inventory()
345
orig_root_id = inv.root.file_id
346
del inv._byid[inv.root.file_id]
347
inv.root.file_id = file_id
348
inv._byid[inv.root.file_id] = inv.root
349
for fid in inv:
350
entry = inv[fid]
351
if entry.parent_id in (None, orig_root_id):
352
entry.parent_id = inv.root.file_id
353
self._write_inventory(inv)
146
354
147
355
def read_working_inventory(self):
148
356
"""Read the working inventory."""
149
before = time.time()
150
inv = Inventory.read_xml(self.controlfile('inventory', 'r'))
151
mutter("loaded inventory of %d items in %f"
152
% (len(inv), time.time() - before))
153
return inv
154
357
from bzrlib.inventory import Inventory
358
from bzrlib.xml import unpack_xml
359
from time import time
360
before = time()
361
self.lock_read()
362
try:
363
# ElementTree does its own conversion from UTF-8, so open in
364
# binary.
365
inv = unpack_xml(Inventory,
366
self.controlfile('inventory', 'rb'))
367
mutter("loaded inventory of %d items in %f"
368
% (len(inv), time() - before))
369
return inv
370
finally:
371
self.unlock()
372
155
373
156
374
def _write_inventory(self, inv):
157
375
"""Update the working inventory.
159
377
That is to say, the inventory describing changes underway, that
160
378
will be committed to the next revision.
161
379
"""
162
## TODO: factor out to atomicfile? is rename safe on windows?
163
tmpfname = self.controlfilename('inventory.tmp')
164
tmpf = file(tmpfname, 'w')
165
inv.write_xml(tmpf)
166
tmpf.close()
167
os.rename(tmpfname, self.controlfilename('inventory'))
380
from bzrlib.atomicfile import AtomicFile
381
from bzrlib.xml import pack_xml
382
383
self.lock_write()
384
try:
385
f = AtomicFile(self.controlfilename('inventory'), 'wb')
386
try:
387
pack_xml(inv, f)
388
f.commit()
389
finally:
390
f.close()
391
finally:
392
self.unlock()
393
168
394
mutter('wrote working inventory')
169
395
170
396
171
397
inventory = property(read_working_inventory, _write_inventory, None,
172
398
"""Inventory for the working copy.""")
173
399
174
400
175
def add(self, files, verbose=False):
401
def add(self, files, verbose=False, ids=None):
176
402
"""Make files versioned.
177
403
404
Note that the command line normally calls smart_add instead.
405
178
406
This puts the files in the Added state, so that they will be
179
407
recorded by the next commit.
180
408
181
:todo: Perhaps have an option to add the ids even if the files do
182
not (yet) exist.
183
184
:todo: Perhaps return the ids of the files? But then again it
185
is easy to retrieve them if they're needed.
186
187
:todo: Option to specify file id.
188
189
:todo: Adding a directory should optionally recurse down and
190
add all non-ignored children. Perhaps do that in a
191
higher-level method.
192
193
>>> b = ScratchBranch(files=['foo'])
194
>>> 'foo' in b.unknowns()
195
True
196
>>> b.show_status()
197
? foo
198
>>> b.add('foo')
199
>>> 'foo' in b.unknowns()
200
False
201
>>> bool(b.inventory.path2id('foo'))
202
True
203
>>> b.show_status()
204
A foo
205
206
>>> b.add('foo')
207
Traceback (most recent call last):
208
...
209
BzrError: ('foo is already versioned', [])
210
211
>>> b.add(['nothere'])
212
Traceback (most recent call last):
213
BzrError: ('cannot add: not a regular file or directory: nothere', [])
409
files
410
List of paths to add, relative to the base of the tree.
411
412
ids
413
If set, use these instead of automatically generated ids.
414
Must be the same length as the list of files, but may
415
contain None for ids that are to be autogenerated.
416
417
TODO: Perhaps have an option to add the ids even if the files do
418
not (yet) exist.
419
420
TODO: Perhaps return the ids of the files? But then again it
421
is easy to retrieve them if they're needed.
422
423
TODO: Adding a directory should optionally recurse down and
424
add all non-ignored children. Perhaps do that in a
425
higher-level method.
214
426
"""
215
216
427
# TODO: Re-adding a file that is removed in the working copy
217
428
# should probably put it back with the previous ID.
218
if isinstance(files, types.StringTypes):
429
if isinstance(files, basestring):
430
assert(ids is None or isinstance(ids, basestring))
219
431
files = [files]
220
221
inv = self.read_working_inventory()
222
for f in files:
223
if is_control_file(f):
224
bailout("cannot add control file %s" % quotefn(f))
225
226
fp = splitpath(f)
227
228
if len(fp) == 0:
229
bailout("cannot add top-level %r" % f)
230
231
fullpath = os.path.normpath(self._rel(f))
232
233
if isfile(fullpath):
234
kind = 'file'
235
elif isdir(fullpath):
236
kind = 'directory'
237
else:
238
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
239
240
if len(fp) > 1:
241
parent_name = joinpath(fp[:-1])
242
mutter("lookup parent %r" % parent_name)
243
parent_id = inv.path2id(parent_name)
244
if parent_id == None:
245
bailout("cannot add: parent %r is not versioned"
246
% joinpath(fp[:-1]))
247
else:
248
parent_id = None
249
250
file_id = _gen_file_id(fp[-1])
251
inv.add(InventoryEntry(file_id, fp[-1], kind=kind, parent_id=parent_id))
252
if verbose:
253
show_status('A', kind, quotefn(f))
254
255
mutter("add file %s file_id:{%s} kind=%r parent_id={%s}"
256
% (f, file_id, kind, parent_id))
257
self._write_inventory(inv)
258
432
if ids is not None:
433
ids = [ids]
434
435
if ids is None:
436
ids = [None] * len(files)
437
else:
438
assert(len(ids) == len(files))
439
440
self.lock_write()
441
try:
442
inv = self.read_working_inventory()
443
for f,file_id in zip(files, ids):
444
if is_control_file(f):
445
raise BzrError("cannot add control file %s" % quotefn(f))
446
447
fp = splitpath(f)
448
449
if len(fp) == 0:
450
raise BzrError("cannot add top-level %r" % f)
451
452
fullpath = os.path.normpath(self.abspath(f))
453
454
try:
455
kind = file_kind(fullpath)
456
except OSError:
457
# maybe something better?
458
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
459
460
if kind != 'file' and kind != 'directory':
461
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
462
463
if file_id is None:
464
file_id = gen_file_id(f)
465
inv.add_path(f, kind=kind, file_id=file_id)
466
467
if verbose:
468
print 'added', quotefn(f)
469
470
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
471
472
self._write_inventory(inv)
473
finally:
474
self.unlock()
475
476
477
def print_file(self, file, revno):
478
"""Print `file` to stdout."""
479
self.lock_read()
480
try:
481
tree = self.revision_tree(self.lookup_revision(revno))
482
# use inventory as it was in that revision
483
file_id = tree.inventory.path2id(file)
484
if not file_id:
485
raise BzrError("%r is not present in revision %s" % (file, revno))
486
tree.print_file(file_id)
487
finally:
488
self.unlock()
259
489
260
490
261
491
def remove(self, files, verbose=False):
263
493
264
494
This does not remove their text. This does not run on
265
495
266
:todo: Refuse to remove modified files unless --force is given?
267
268
>>> b = ScratchBranch(files=['foo'])
269
>>> b.add('foo')
270
>>> b.inventory.has_filename('foo')
271
True
272
>>> b.remove('foo')
273
>>> b.working_tree().has_filename('foo')
274
True
275
>>> b.inventory.has_filename('foo')
276
False
277
278
>>> b = ScratchBranch(files=['foo'])
279
>>> b.add('foo')
280
>>> b.commit('one')
281
>>> b.remove('foo')
282
>>> b.commit('two')
283
>>> b.inventory.has_filename('foo')
284
False
285
>>> b.basis_tree().has_filename('foo')
286
False
287
>>> b.working_tree().has_filename('foo')
288
True
289
290
:todo: Do something useful with directories.
291
292
:todo: Should this remove the text or not? Tough call; not
496
TODO: Refuse to remove modified files unless --force is given?
497
498
TODO: Do something useful with directories.
499
500
TODO: Should this remove the text or not? Tough call; not
293
501
removing may be useful and the user can just use use rm, and
294
502
is the opposite of add. Removing it is consistent with most
295
503
other tools. Maybe an option.
296
504
"""
297
505
## TODO: Normalize names
298
506
## TODO: Remove nested loops; better scalability
299
300
if isinstance(files, types.StringTypes):
507
if isinstance(files, basestring):
301
508
files = [files]
302
303
inv = self.read_working_inventory()
304
305
# do this before any modifications
306
for f in files:
307
fid = inv.path2id(f)
308
if not fid:
309
bailout("cannot remove unversioned file %s" % quotefn(f))
310
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
311
if verbose:
312
show_status('D', inv[fid].kind, quotefn(f))
313
del inv[fid]
314
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))
315
545
self._write_inventory(inv)
316
546
317
547
334
564
return self.working_tree().unknowns()
335
565
336
566
337
def commit(self, message, timestamp=None, timezone=None,
338
committer=None,
339
verbose=False):
340
"""Commit working copy as a new revision.
341
342
The basic approach is to add all the file texts into the
343
store, then the inventory, then make a new revision pointing
344
to that inventory and store that.
345
346
This is not quite safe if the working copy changes during the
347
commit; for the moment that is simply not allowed. A better
348
approach is to make a temporary copy of the files before
349
computing their hashes, and then add those hashes in turn to
350
the inventory. This should mean at least that there are no
351
broken hash pointers. There is no way we can get a snapshot
352
of the whole directory at an instant. This would also have to
353
be robust against files disappearing, moving, etc. So the
354
whole thing is a bit hard.
355
356
:param timestamp: if not None, seconds-since-epoch for a
357
postdated/predated commit.
358
"""
359
360
## TODO: Show branch names
361
362
# TODO: Don't commit if there are no changes, unless forced?
363
364
# First walk over the working inventory; and both update that
365
# and also build a new revision inventory. The revision
366
# inventory needs to hold the text-id, sha1 and size of the
367
# actual file versions committed in the revision. (These are
368
# not present in the working inventory.) We also need to
369
# detect missing/deleted files, and remove them from the
370
# working inventory.
371
372
work_inv = self.read_working_inventory()
373
inv = Inventory()
374
basis = self.basis_tree()
375
basis_inv = basis.inventory
376
missing_ids = []
377
for path, entry in work_inv.iter_entries():
378
## TODO: Cope with files that have gone missing.
379
380
## TODO: Check that the file kind has not changed from the previous
381
## revision of this file (if any).
382
383
entry = entry.copy()
384
385
p = self._rel(path)
386
file_id = entry.file_id
387
mutter('commit prep file %s, id %r ' % (p, file_id))
388
389
if not os.path.exists(p):
390
mutter(" file is missing, removing from inventory")
391
if verbose:
392
show_status('D', entry.kind, quotefn(path))
393
missing_ids.append(file_id)
394
continue
395
396
# TODO: Handle files that have been deleted
397
398
# TODO: Maybe a special case for empty files? Seems a
399
# waste to store them many times.
400
401
inv.add(entry)
402
403
if basis_inv.has_id(file_id):
404
old_kind = basis_inv[file_id].kind
405
if old_kind != entry.kind:
406
bailout("entry %r changed kind from %r to %r"
407
% (file_id, old_kind, entry.kind))
408
409
if entry.kind == 'directory':
410
if not isdir(p):
411
bailout("%s is entered as directory but not a directory" % quotefn(p))
412
elif entry.kind == 'file':
413
if not isfile(p):
414
bailout("%s is entered as file but is not a file" % quotefn(p))
415
416
content = file(p, 'rb').read()
417
418
entry.text_sha1 = sha_string(content)
419
entry.text_size = len(content)
420
421
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
422
if (old_ie
423
and (old_ie.text_size == entry.text_size)
424
and (old_ie.text_sha1 == entry.text_sha1)):
425
## assert content == basis.get_file(file_id).read()
426
entry.text_id = basis_inv[file_id].text_id
427
mutter(' unchanged from previous text_id {%s}' %
428
entry.text_id)
429
430
else:
431
entry.text_id = _gen_file_id(entry.name)
432
self.text_store.add(content, entry.text_id)
433
mutter(' stored with text_id {%s}' % entry.text_id)
434
if verbose:
435
if not old_ie:
436
state = 'A'
437
elif (old_ie.name == entry.name
438
and old_ie.parent_id == entry.parent_id):
439
state = 'R'
440
else:
441
state = 'M'
442
443
show_status(state, entry.kind, quotefn(path))
444
445
for file_id in missing_ids:
446
# have to do this later so we don't mess up the iterator.
447
# since parents may be removed before their children we
448
# have to test.
449
450
# FIXME: There's probably a better way to do this; perhaps
451
# the workingtree should know how to filter itself.
452
if work_inv.has_id(file_id):
453
del work_inv[file_id]
454
455
456
inv_id = rev_id = _gen_revision_id(time.time())
457
458
inv_tmp = tempfile.TemporaryFile()
459
inv.write_xml(inv_tmp)
460
inv_tmp.seek(0)
461
self.inventory_store.add(inv_tmp, inv_id)
462
mutter('new inventory_id is {%s}' % inv_id)
463
464
self._write_inventory(work_inv)
465
466
if timestamp == None:
467
timestamp = time.time()
468
469
if committer == None:
470
committer = username()
471
472
if timezone == None:
473
timezone = local_time_offset()
474
475
mutter("building commit log message")
476
rev = Revision(timestamp=timestamp,
477
timezone=timezone,
478
committer=committer,
479
precursor = self.last_patch(),
480
message = message,
481
inventory_id=inv_id,
482
revision_id=rev_id)
483
484
rev_tmp = tempfile.TemporaryFile()
485
rev.write_xml(rev_tmp)
486
rev_tmp.seek(0)
487
self.revision_store.add(rev_tmp, rev_id)
488
mutter("new revision_id is {%s}" % rev_id)
489
490
## XXX: Everything up to here can simply be orphaned if we abort
491
## the commit; it will leave junk files behind but that doesn't
492
## matter.
493
494
## TODO: Read back the just-generated changeset, and make sure it
495
## applies and recreates the right state.
496
497
## TODO: Also calculate and store the inventory SHA1
498
mutter("committing patch r%d" % (self.revno() + 1))
499
500
mutter("append to revision-history")
501
self.controlfile('revision-history', 'at').write(rev_id + '\n')
502
503
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()
504
583
505
584
506
585
def get_revision(self, revision_id):
507
586
"""Return the Revision object for a named revision"""
508
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
509
598
assert r.revision_id == revision_id
510
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])
511
611
512
612
513
613
def get_inventory(self, inventory_id):
514
614
"""Get Inventory object by hash.
515
615
516
:todo: Perhaps for this and similar methods, take a revision
616
TODO: Perhaps for this and similar methods, take a revision
517
617
parameter which can be either an integer revno or a
518
618
string hash."""
519
i = Inventory.read_xml(self.inventory_store[inventory_id])
520
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])
521
629
522
630
523
631
def get_revision_inventory(self, revision_id):
524
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.
525
635
if revision_id == None:
526
return Inventory()
636
from bzrlib.inventory import Inventory
637
return Inventory(self.get_root_id())
527
638
else:
528
return self.get_inventory(self.get_revision(revision_id).inventory_id)
639
return self.get_inventory(revision_id)
529
640
530
641
531
642
def revision_history(self):
534
645
>>> ScratchBranch().revision_history()
535
646
[]
536
647
"""
537
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)
538
720
539
721
540
722
def revno(self):
542
724
543
725
That is equivalent to the number of revisions committed to
544
726
this branch.
545
546
>>> b = ScratchBranch()
547
>>> b.revno()
548
0
549
>>> b.commit('no foo')
550
>>> b.revno()
551
1
552
727
"""
553
728
return len(self.revision_history())
554
729
555
730
556
731
def last_patch(self):
557
732
"""Return last patch hash, or None if no history.
558
559
>>> ScratchBranch().last_patch() == None
560
True
561
733
"""
562
734
ph = self.revision_history()
563
735
if ph:
564
736
return ph[-1]
565
566
567
def lookup_revision(self, revno):
568
"""Return revision hash for revision number."""
569
if revno == 0:
570
return None
571
572
try:
573
# list is 0-based; revisions are 1-based
574
return self.revision_history()[revno-1]
575
except IndexError:
576
bailout("no such revision %s" % revno)
577
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
810
pb = ProgressBar()
811
812
pb.update('comparing histories')
813
revision_ids = self.missing_revisions(other, stop_revision)
814
815
if hasattr(other.revision_store, "prefetch"):
816
other.revision_store.prefetch(revision_ids)
817
if hasattr(other.inventory_store, "prefetch"):
818
inventory_ids = [other.get_revision(r).inventory_id
819
for r in revision_ids]
820
other.inventory_store.prefetch(inventory_ids)
821
822
revisions = []
823
needed_texts = set()
824
i = 0
825
for rev_id in revision_ids:
826
i += 1
827
pb.update('fetching revision', i, len(revision_ids))
828
rev = other.get_revision(rev_id)
829
revisions.append(rev)
830
inv = other.get_inventory(str(rev.inventory_id))
831
for key, entry in inv.iter_entries():
832
if entry.text_id is None:
833
continue
834
if entry.text_id not in self.text_store:
835
needed_texts.add(entry.text_id)
836
837
pb.clear()
838
839
count = self.text_store.copy_multi(other.text_store, needed_texts)
840
print "Added %d texts." % count
841
inventory_ids = [ f.inventory_id for f in revisions ]
842
count = self.inventory_store.copy_multi(other.inventory_store,
843
inventory_ids)
844
print "Added %d inventories." % count
845
revision_ids = [ f.revision_id for f in revisions]
846
count = self.revision_store.copy_multi(other.revision_store,
847
revision_ids)
848
for revision_id in revision_ids:
849
self.append_revision(revision_id)
850
print "Added %d revisions." % count
851
852
853
def commit(self, *args, **kw):
854
from bzrlib.commit import commit
855
commit(self, *args, **kw)
856
857
858
def lookup_revision(self, revision):
859
"""Return the revision identifier for a given revision information."""
860
revno, info = self.get_revision_info(revision)
861
return info
862
863
def get_revision_info(self, revision):
864
"""Return (revno, revision id) for revision identifier.
865
866
revision can be an integer, in which case it is assumed to be revno (though
867
this will translate negative values into positive ones)
868
revision can also be a string, in which case it is parsed for something like
869
'date:' or 'revid:' etc.
870
"""
871
if revision is None:
872
return 0, None
873
revno = None
874
try:# Convert to int if possible
875
revision = int(revision)
876
except ValueError:
877
pass
878
revs = self.revision_history()
879
if isinstance(revision, int):
880
if revision == 0:
881
return 0, None
882
# Mabye we should do this first, but we don't need it if revision == 0
883
if revision < 0:
884
revno = len(revs) + revision + 1
885
else:
886
revno = revision
887
elif isinstance(revision, basestring):
888
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
889
if revision.startswith(prefix):
890
revno = func(self, revs, revision)
891
break
892
else:
893
raise BzrError('No namespace registered for string: %r' % revision)
894
895
if revno is None or revno <= 0 or revno > len(revs):
896
raise BzrError("no such revision %s" % revision)
897
return revno, revs[revno-1]
898
899
def _namespace_revno(self, revs, revision):
900
"""Lookup a revision by revision number"""
901
assert revision.startswith('revno:')
902
try:
903
return int(revision[6:])
904
except ValueError:
905
return None
906
REVISION_NAMESPACES['revno:'] = _namespace_revno
907
908
def _namespace_revid(self, revs, revision):
909
assert revision.startswith('revid:')
910
try:
911
return revs.index(revision[6:]) + 1
912
except ValueError:
913
return None
914
REVISION_NAMESPACES['revid:'] = _namespace_revid
915
916
def _namespace_last(self, revs, revision):
917
assert revision.startswith('last:')
918
try:
919
offset = int(revision[5:])
920
except ValueError:
921
return None
922
else:
923
if offset <= 0:
924
raise BzrError('You must supply a positive value for --revision last:XXX')
925
return len(revs) - offset + 1
926
REVISION_NAMESPACES['last:'] = _namespace_last
927
928
def _namespace_tag(self, revs, revision):
929
assert revision.startswith('tag:')
930
raise BzrError('tag: namespace registered, but not implemented.')
931
REVISION_NAMESPACES['tag:'] = _namespace_tag
932
933
def _namespace_date(self, revs, revision):
934
assert revision.startswith('date:')
935
import datetime
936
# Spec for date revisions:
937
# date:value
938
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
939
# it can also start with a '+/-/='. '+' says match the first
940
# entry after the given date. '-' is match the first entry before the date
941
# '=' is match the first entry after, but still on the given date.
942
#
943
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
944
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
945
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
946
# May 13th, 2005 at 0:00
947
#
948
# So the proper way of saying 'give me all entries for today' is:
949
# -r {date:+today}:{date:-tomorrow}
950
# The default is '=' when not supplied
951
val = revision[5:]
952
match_style = '='
953
if val[:1] in ('+', '-', '='):
954
match_style = val[:1]
955
val = val[1:]
956
957
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
958
if val.lower() == 'yesterday':
959
dt = today - datetime.timedelta(days=1)
960
elif val.lower() == 'today':
961
dt = today
962
elif val.lower() == 'tomorrow':
963
dt = today + datetime.timedelta(days=1)
964
else:
965
import re
966
# This should be done outside the function to avoid recompiling it.
967
_date_re = re.compile(
968
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
969
r'(,|T)?\s*'
970
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
971
)
972
m = _date_re.match(val)
973
if not m or (not m.group('date') and not m.group('time')):
974
raise BzrError('Invalid revision date %r' % revision)
975
976
if m.group('date'):
977
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
978
else:
979
year, month, day = today.year, today.month, today.day
980
if m.group('time'):
981
hour = int(m.group('hour'))
982
minute = int(m.group('minute'))
983
if m.group('second'):
984
second = int(m.group('second'))
985
else:
986
second = 0
987
else:
988
hour, minute, second = 0,0,0
989
990
dt = datetime.datetime(year=year, month=month, day=day,
991
hour=hour, minute=minute, second=second)
992
first = dt
993
last = None
994
reversed = False
995
if match_style == '-':
996
reversed = True
997
elif match_style == '=':
998
last = dt + datetime.timedelta(days=1)
999
1000
if reversed:
1001
for i in range(len(revs)-1, -1, -1):
1002
r = self.get_revision(revs[i])
1003
# TODO: Handle timezone.
1004
dt = datetime.datetime.fromtimestamp(r.timestamp)
1005
if first >= dt and (last is None or dt >= last):
1006
return i+1
1007
else:
1008
for i in range(len(revs)):
1009
r = self.get_revision(revs[i])
1010
# TODO: Handle timezone.
1011
dt = datetime.datetime.fromtimestamp(r.timestamp)
1012
if first <= dt and (last is None or dt <= last):
1013
return i+1
1014
REVISION_NAMESPACES['date:'] = _namespace_date
578
1015
579
1016
def revision_tree(self, revision_id):
580
1017
"""Return Tree for a revision on this branch.
581
1018
582
1019
`revision_id` may be None for the null revision, in which case
583
1020
an `EmptyTree` is returned."""
584
1021
from bzrlib.tree import EmptyTree, RevisionTree
1022
# TODO: refactor this to use an existing revision object
1023
# so we don't need to read it in twice.
585
1024
if revision_id == None:
586
return EmptyTree()
1025
return EmptyTree(self.get_root_id())
587
1026
else:
588
1027
inv = self.get_revision_inventory(revision_id)
589
1028
return RevisionTree(self.text_store, inv)
591
1030
592
1031
def working_tree(self):
593
1032
"""Return a `Tree` for the working copy."""
1033
from workingtree import WorkingTree
594
1034
return WorkingTree(self.base, self.read_working_inventory())
595
1035
596
1036
598
1038
"""Return `Tree` object for last revision.
599
1039
600
1040
If there are no revisions yet, return an `EmptyTree`.
601
602
>>> b = ScratchBranch(files=['foo'])
603
>>> b.basis_tree().has_filename('foo')
604
False
605
>>> b.working_tree().has_filename('foo')
606
True
607
>>> b.add('foo')
608
>>> b.commit('add foo')
609
>>> b.basis_tree().has_filename('foo')
610
True
611
1041
"""
1042
from bzrlib.tree import EmptyTree, RevisionTree
612
1043
r = self.last_patch()
613
1044
if r == None:
614
return EmptyTree()
1045
return EmptyTree(self.get_root_id())
615
1046
else:
616
1047
return RevisionTree(self.text_store, self.get_revision_inventory(r))
617
1048
618
1049
619
1050
620
def write_log(self, show_timezone='original'):
621
"""Write out human-readable log of commits to this branch
622
623
:param utc: If true, show dates in universal time, not local time."""
624
## TODO: Option to choose either original, utc or local timezone
625
revno = 1
626
precursor = None
627
for p in self.revision_history():
628
print '-' * 40
629
print 'revno:', revno
630
## TODO: Show hash if --id is given.
631
##print 'revision-hash:', p
632
rev = self.get_revision(p)
633
print 'committer:', rev.committer
634
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
635
show_timezone))
636
637
## opportunistic consistency check, same as check_patch_chaining
638
if rev.precursor != precursor:
639
bailout("mismatched precursor!")
640
641
print 'message:'
642
if not rev.message:
643
print ' (no message)'
644
else:
645
for l in rev.message.split('\n'):
646
print ' ' + l
647
648
revno += 1
649
precursor = p
650
651
652
653
def show_status(branch, show_all=False):
654
"""Display single-line status for non-ignored working files.
655
656
The list is show sorted in order by file name.
657
658
>>> b = ScratchBranch(files=['foo', 'foo~'])
659
>>> b.show_status()
660
? foo
661
>>> b.add('foo')
662
>>> b.show_status()
663
A foo
664
>>> b.commit("add foo")
665
>>> b.show_status()
666
667
:todo: Get state for single files.
668
669
:todo: Perhaps show a slash at the end of directory names.
670
671
"""
672
673
# We have to build everything into a list first so that it can
674
# sorted by name, incorporating all the different sources.
675
676
# FIXME: Rather than getting things in random order and then sorting,
677
# just step through in order.
678
679
# Interesting case: the old ID for a file has been removed,
680
# but a new file has been created under that name.
681
682
old = branch.basis_tree()
683
old_inv = old.inventory
684
new = branch.working_tree()
685
new_inv = new.inventory
686
687
for fs, fid, oldname, newname, kind in diff_trees(old, new):
688
if fs == 'R':
689
show_status(fs, kind,
690
oldname + ' => ' + newname)
691
elif fs == 'A' or fs == 'M':
692
show_status(fs, kind, newname)
693
elif fs == 'D':
694
show_status(fs, kind, oldname)
695
elif fs == '.':
696
if show_all:
697
show_status(fs, kind, newname)
698
elif fs == 'I':
699
if show_all:
700
show_status(fs, kind, newname)
701
elif fs == '?':
702
show_status(fs, kind, newname)
703
else:
704
bailout("wierd file state %r" % ((fs, fid),))
705
1051
def rename_one(self, from_rel, to_rel):
1052
"""Rename one file.
1053
1054
This can change the directory or the filename or both.
1055
"""
1056
self.lock_write()
1057
try:
1058
tree = self.working_tree()
1059
inv = tree.inventory
1060
if not tree.has_filename(from_rel):
1061
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1062
if tree.has_filename(to_rel):
1063
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1064
1065
file_id = inv.path2id(from_rel)
1066
if file_id == None:
1067
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1068
1069
if inv.path2id(to_rel):
1070
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1071
1072
to_dir, to_tail = os.path.split(to_rel)
1073
to_dir_id = inv.path2id(to_dir)
1074
if to_dir_id == None and to_dir != '':
1075
raise BzrError("can't determine destination directory id for %r" % to_dir)
1076
1077
mutter("rename_one:")
1078
mutter(" file_id {%s}" % file_id)
1079
mutter(" from_rel %r" % from_rel)
1080
mutter(" to_rel %r" % to_rel)
1081
mutter(" to_dir %r" % to_dir)
1082
mutter(" to_dir_id {%s}" % to_dir_id)
1083
1084
inv.rename(file_id, to_dir_id, to_tail)
1085
1086
print "%s => %s" % (from_rel, to_rel)
1087
1088
from_abs = self.abspath(from_rel)
1089
to_abs = self.abspath(to_rel)
1090
try:
1091
os.rename(from_abs, to_abs)
1092
except OSError, e:
1093
raise BzrError("failed to rename %r to %r: %s"
1094
% (from_abs, to_abs, e[1]),
1095
["rename rolled back"])
1096
1097
self._write_inventory(inv)
1098
finally:
1099
self.unlock()
1100
1101
1102
def move(self, from_paths, to_name):
1103
"""Rename files.
1104
1105
to_name must exist as a versioned directory.
1106
1107
If to_name exists and is a directory, the files are moved into
1108
it, keeping their old names. If it is a directory,
1109
1110
Note that to_name is only the last component of the new name;
1111
this doesn't change the directory.
1112
"""
1113
self.lock_write()
1114
try:
1115
## TODO: Option to move IDs only
1116
assert not isinstance(from_paths, basestring)
1117
tree = self.working_tree()
1118
inv = tree.inventory
1119
to_abs = self.abspath(to_name)
1120
if not isdir(to_abs):
1121
raise BzrError("destination %r is not a directory" % to_abs)
1122
if not tree.has_filename(to_name):
1123
raise BzrError("destination %r not in working directory" % to_abs)
1124
to_dir_id = inv.path2id(to_name)
1125
if to_dir_id == None and to_name != '':
1126
raise BzrError("destination %r is not a versioned directory" % to_name)
1127
to_dir_ie = inv[to_dir_id]
1128
if to_dir_ie.kind not in ('directory', 'root_directory'):
1129
raise BzrError("destination %r is not a directory" % to_abs)
1130
1131
to_idpath = inv.get_idpath(to_dir_id)
1132
1133
for f in from_paths:
1134
if not tree.has_filename(f):
1135
raise BzrError("%r does not exist in working tree" % f)
1136
f_id = inv.path2id(f)
1137
if f_id == None:
1138
raise BzrError("%r is not versioned" % f)
1139
name_tail = splitpath(f)[-1]
1140
dest_path = appendpath(to_name, name_tail)
1141
if tree.has_filename(dest_path):
1142
raise BzrError("destination %r already exists" % dest_path)
1143
if f_id in to_idpath:
1144
raise BzrError("can't move %r to a subdirectory of itself" % f)
1145
1146
# OK, so there's a race here, it's possible that someone will
1147
# create a file in this interval and then the rename might be
1148
# left half-done. But we should have caught most problems.
1149
1150
for f in from_paths:
1151
name_tail = splitpath(f)[-1]
1152
dest_path = appendpath(to_name, name_tail)
1153
print "%s => %s" % (f, dest_path)
1154
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1155
try:
1156
os.rename(self.abspath(f), self.abspath(dest_path))
1157
except OSError, e:
1158
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1159
["rename rolled back"])
1160
1161
self._write_inventory(inv)
1162
finally:
1163
self.unlock()
1164
1165
1166
def revert(self, filenames, old_tree=None, backups=True):
1167
"""Restore selected files to the versions from a previous tree.
1168
1169
backups
1170
If true (default) backups are made of files before
1171
they're renamed.
1172
"""
1173
from bzrlib.errors import NotVersionedError, BzrError
1174
from bzrlib.atomicfile import AtomicFile
1175
from bzrlib.osutils import backup_file
1176
1177
inv = self.read_working_inventory()
1178
if old_tree is None:
1179
old_tree = self.basis_tree()
1180
old_inv = old_tree.inventory
1181
1182
nids = []
1183
for fn in filenames:
1184
file_id = inv.path2id(fn)
1185
if not file_id:
1186
raise NotVersionedError("not a versioned file", fn)
1187
if not old_inv.has_id(file_id):
1188
raise BzrError("file not present in old tree", fn, file_id)
1189
nids.append((fn, file_id))
1190
1191
# TODO: Rename back if it was previously at a different location
1192
1193
# TODO: If given a directory, restore the entire contents from
1194
# the previous version.
1195
1196
# TODO: Make a backup to a temporary file.
1197
1198
# TODO: If the file previously didn't exist, delete it?
1199
for fn, file_id in nids:
1200
backup_file(fn)
1201
1202
f = AtomicFile(fn, 'wb')
1203
try:
1204
f.write(old_tree.get_file(file_id).read())
1205
f.commit()
1206
finally:
1207
f.close()
1208
1209
1210
def pending_merges(self):
1211
"""Return a list of pending merges.
1212
1213
These are revisions that have been merged into the working
1214
directory but not yet committed.
1215
"""
1216
cfn = self.controlfilename('pending-merges')
1217
if not os.path.exists(cfn):
1218
return []
1219
p = []
1220
for l in self.controlfile('pending-merges', 'r').readlines():
1221
p.append(l.rstrip('\n'))
1222
return p
1223
1224
1225
def add_pending_merge(self, revision_id):
1226
from bzrlib.revision import validate_revision_id
1227
1228
validate_revision_id(revision_id)
1229
1230
p = self.pending_merges()
1231
if revision_id in p:
1232
return
1233
p.append(revision_id)
1234
self.set_pending_merges(p)
1235
1236
1237
def set_pending_merges(self, rev_list):
1238
from bzrlib.atomicfile import AtomicFile
1239
self.lock_write()
1240
try:
1241
f = AtomicFile(self.controlfilename('pending-merges'))
1242
try:
1243
for l in rev_list:
1244
print >>f, l
1245
f.commit()
1246
finally:
1247
f.close()
1248
finally:
1249
self.unlock()
1250
706
1251
707
1252
708
1253
class ScratchBranch(Branch):
712
1257
>>> isdir(b.base)
713
1258
True
714
1259
>>> bd = b.base
715
>>> del b
1260
>>> b.destroy()
716
1261
>>> isdir(bd)
717
1262
False
718
1263
"""
719
def __init__(self, files = []):
1264
def __init__(self, files=[], dirs=[], base=None):
720
1265
"""Make a test branch.
721
1266
722
1267
This creates a temporary directory and runs init-tree in it.
723
1268
724
1269
If any files are listed, they are created in the working copy.
725
1270
"""
726
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1271
from tempfile import mkdtemp
1272
init = False
1273
if base is None:
1274
base = mkdtemp()
1275
init = True
1276
Branch.__init__(self, base, init=init)
1277
for d in dirs:
1278
os.mkdir(self.abspath(d))
1279
727
1280
for f in files:
728
1281
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
729
1282
730
1283
1284
def clone(self):
1285
"""
1286
>>> orig = ScratchBranch(files=["file1", "file2"])
1287
>>> clone = orig.clone()
1288
>>> os.path.samefile(orig.base, clone.base)
1289
False
1290
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1291
True
1292
"""
1293
from shutil import copytree
1294
from tempfile import mkdtemp
1295
base = mkdtemp()
1296
os.rmdir(base)
1297
copytree(self.base, base, symlinks=True)
1298
return ScratchBranch(base=base)
1299
731
1300
def __del__(self):
1301
self.destroy()
1302
1303
def destroy(self):
732
1304
"""Destroy the test branch, removing the scratch directory."""
733
shutil.rmtree(self.base)
1305
from shutil import rmtree
1306
try:
1307
if self.base:
1308
mutter("delete ScratchBranch %s" % self.base)
1309
rmtree(self.base)
1310
except OSError, e:
1311
# Work around for shutil.rmtree failing on Windows when
1312
# readonly files are encountered
1313
mutter("hit exception in destroying ScratchBranch: %s" % e)
1314
for root, dirs, files in os.walk(self.base, topdown=False):
1315
for name in files:
1316
os.chmod(os.path.join(root, name), 0700)
1317
rmtree(self.base)
1318
self.base = None
734
1319
735
1320
736
1321
746
1331
## mutter('check %r for control file' % ((head, tail), ))
747
1332
if tail == bzrlib.BZRDIR:
748
1333
return True
1334
if filename == head:
1335
break
749
1336
filename = head
750
1337
return False
751
1338
752
1339
753
1340
754
def _gen_revision_id(when):
755
"""Return new revision-id."""
756
s = '%s-%s-' % (user_email(), compact_date(when))
757
s += hexlify(rand_bytes(8))
758
return s
759
760
761
def _gen_file_id(name):
1341
def gen_file_id(name):
762
1342
"""Return new file id.
763
1343
764
1344
This should probably generate proper UUIDs, but for the moment we
765
1345
cope with just randomness because running uuidgen every time is
766
1346
slow."""
767
assert '/' not in name
768
while name[0] == '.':
769
name = name[1:]
1347
import re
1348
from binascii import hexlify
1349
from time import time
1350
1351
# get last component
1352
idx = name.rfind('/')
1353
if idx != -1:
1354
name = name[idx+1 : ]
1355
idx = name.rfind('\\')
1356
if idx != -1:
1357
name = name[idx+1 : ]
1358
1359
# make it not a hidden file
1360
name = name.lstrip('.')
1361
1362
# remove any wierd characters; we don't escape them but rather
1363
# just pull them out
1364
name = re.sub(r'[^\w.]', '', name)
1365
770
1366
s = hexlify(rand_bytes(8))
771
return '-'.join((name, compact_date(time.time()), s))
772
1367
return '-'.join((name, compact_date(time()), s))
1368
1369
1370
def gen_root_id():
1371
"""Return a new tree-root file id."""
1372
return gen_file_id('TREE_ROOT')
773
1373
Loggerhead is a web-based interface for Breezy
Version: 2.0.1