15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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
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, appendpath
32
from store import ImmutableStore
33
from revision import Revision
34
from errors import bailout, BzrError
35
from textui import show_status
36
from diff import diff_trees
38
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
22
from bzrlib.trace import mutter, note
23
from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, \
25
sha_file, appendpath, file_kind
27
from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
29
from bzrlib.textui import show_status
30
from bzrlib.revision import Revision
31
from bzrlib.delta import compare_trees
32
from bzrlib.tree import EmptyTree, RevisionTree
33
from bzrlib.inventory import Inventory
34
from bzrlib.weavestore import WeaveStore
40
BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
41
BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
39
42
## TODO: Maybe include checks for common corruption of newlines, etc?
45
# TODO: Some operations like log might retrieve the same revisions
46
# repeatedly to calculate deltas. We could perhaps have a weakref
47
# cache in memory to make this faster.
49
# TODO: please move the revision-string syntax stuff out of the branch
50
# object; it's clutter
53
def find_branch(f, **args):
54
if f and (f.startswith('http://') or f.startswith('https://')):
56
return remotebranch.RemoteBranch(f, **args)
58
return Branch(f, **args)
61
def find_cached_branch(f, cache_root, **args):
62
from remotebranch import RemoteBranch
63
br = find_branch(f, **args)
64
def cacheify(br, store_name):
65
from meta_store import CachedStore
66
cache_path = os.path.join(cache_root, store_name)
68
new_store = CachedStore(getattr(br, store_name), cache_path)
69
setattr(br, store_name, new_store)
71
if isinstance(br, RemoteBranch):
72
cacheify(br, 'inventory_store')
73
cacheify(br, 'text_store')
74
cacheify(br, 'revision_store')
78
def _relpath(base, path):
79
"""Return path relative to base, or raise exception.
81
The path may be either an absolute path or a path relative to the
82
current working directory.
84
Lifted out of Branch.relpath for ease of testing.
86
os.path.commonprefix (python2.4) has a bad bug that it works just
87
on string prefixes, assuming that '/u' is a prefix of '/u2'. This
88
avoids that problem."""
89
rp = os.path.abspath(path)
93
while len(head) >= len(base):
96
head, tail = os.path.split(head)
100
from errors import NotBranchError
101
raise NotBranchError("path %r is not within branch %r" % (rp, base))
103
return os.sep.join(s)
43
106
def find_branch_root(f=None):
44
107
"""Find the branch root enclosing f, or pwd.
109
f may be a filename or a URL.
46
111
It is not necessary that f exists.
48
113
Basically we keep looking up until we find the control directory or
114
run into the root. If there isn't one, raises NotBranchError.
52
118
elif hasattr(os.path, 'realpath'):
53
119
f = os.path.realpath(f)
55
121
f = os.path.abspath(f)
122
if not os.path.exists(f):
123
raise BzrError('%r does not exist' % f)
174
304
raise BzrError("invalid controlfile mode %r" % mode)
178
306
def _make_control(self):
179
307
os.mkdir(self.controlfilename([]))
180
308
self.controlfile('README', 'w').write(
181
309
"This is a Bazaar-NG control directory.\n"
182
"Do not change any files in this directory.")
183
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
184
for d in ('text-store', 'inventory-store', 'revision-store'):
310
"Do not change any files in this directory.\n")
311
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT_5)
312
for d in ('text-store', 'inventory-store', 'revision-store',
185
314
os.mkdir(self.controlfilename(d))
186
315
for f in ('revision-history', 'merged-patches',
187
'pending-merged-patches', 'branch-name'):
316
'pending-merged-patches', 'branch-name',
188
319
self.controlfile(f, 'w').write('')
189
320
mutter('created control directory in ' + self.base)
190
Inventory().write_xml(self.controlfile('inventory','w'))
322
# if we want per-tree root ids then this is the place to set
323
# them; they're not needed for now and so ommitted for
325
f = self.controlfile('inventory','w')
326
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), f)
193
329
def _check_format(self):
194
330
"""Check this branch format is supported.
196
The current tool only supports the current unstable format.
332
The format level is stored, as an integer, in
333
self._branch_format for code that needs to check it later.
198
335
In the future, we might need different in-memory Branch
199
336
classes to support downlevel branches. But not yet.
201
# This ignores newlines so that we can open branches created
202
# on Windows from Linux and so on. I think it might be better
203
# to always make all internal files in unix format.
204
338
fmt = self.controlfile('branch-format', 'r').read()
205
fmt.replace('\r\n', '')
206
if fmt != BZR_BRANCH_FORMAT:
207
bailout('sorry, branch format %r not supported' % fmt,
208
['use a different bzr version',
209
'or remove the .bzr directory and "bzr init" again'])
339
if fmt == BZR_BRANCH_FORMAT_5:
340
self._branch_format = 5
342
raise BzrError('sorry, branch format "%s" not supported; '
343
'use a different bzr version, '
344
'or run "bzr upgrade", '
345
'or remove the .bzr directory and "bzr init" again'
346
% fmt.rstrip('\n\r'))
348
def get_root_id(self):
349
"""Return the id of this branches root"""
350
inv = self.read_working_inventory()
351
return inv.root.file_id
353
def set_root_id(self, file_id):
354
inv = self.read_working_inventory()
355
orig_root_id = inv.root.file_id
356
del inv._byid[inv.root.file_id]
357
inv.root.file_id = file_id
358
inv._byid[inv.root.file_id] = inv.root
361
if entry.parent_id in (None, orig_root_id):
362
entry.parent_id = inv.root.file_id
363
self._write_inventory(inv)
212
365
def read_working_inventory(self):
213
366
"""Read the working inventory."""
215
# ElementTree does its own conversion from UTF-8, so open in
217
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
218
mutter("loaded inventory of %d items in %f"
219
% (len(inv), time.time() - before))
369
# ElementTree does its own conversion from UTF-8, so open in
371
f = self.controlfile('inventory', 'rb')
372
return bzrlib.xml5.serializer_v5.read_inventory(f)
223
377
def _write_inventory(self, inv):
224
378
"""Update the working inventory.
226
380
That is to say, the inventory describing changes underway, that
227
381
will be committed to the next revision.
229
## TODO: factor out to atomicfile? is rename safe on windows?
230
## TODO: Maybe some kind of clean/dirty marker on inventory?
231
tmpfname = self.controlfilename('inventory.tmp')
232
tmpf = file(tmpfname, 'wb')
235
inv_fname = self.controlfilename('inventory')
236
if sys.platform == 'win32':
238
os.rename(tmpfname, inv_fname)
383
from bzrlib.atomicfile import AtomicFile
387
f = AtomicFile(self.controlfilename('inventory'), 'wb')
389
bzrlib.xml5.serializer_v5.write_inventory(inv, f)
239
396
mutter('wrote working inventory')
242
399
inventory = property(read_working_inventory, _write_inventory, None,
243
400
"""Inventory for the working copy.""")
246
def add(self, files, verbose=False):
403
def add(self, files, ids=None):
247
404
"""Make files versioned.
249
Note that the command line normally calls smart_add instead.
406
Note that the command line normally calls smart_add instead,
407
which can automatically recurse.
251
409
This puts the files in the Added state, so that they will be
252
410
recorded by the next commit.
413
List of paths to add, relative to the base of the tree.
416
If set, use these instead of automatically generated ids.
417
Must be the same length as the list of files, but may
418
contain None for ids that are to be autogenerated.
254
420
TODO: Perhaps have an option to add the ids even if the files do
257
TODO: Perhaps return the ids of the files? But then again it
258
is easy to retrieve them if they're needed.
260
TODO: Option to specify file id.
262
TODO: Adding a directory should optionally recurse down and
263
add all non-ignored children. Perhaps do that in a
266
>>> b = ScratchBranch(files=['foo'])
267
>>> 'foo' in b.unknowns()
272
>>> 'foo' in b.unknowns()
274
>>> bool(b.inventory.path2id('foo'))
280
Traceback (most recent call last):
282
BzrError: ('foo is already versioned', [])
284
>>> b.add(['nothere'])
285
Traceback (most recent call last):
286
BzrError: ('cannot add: not a regular file or directory: nothere', [])
423
TODO: Perhaps yield the ids and paths as they're added.
289
425
# TODO: Re-adding a file that is removed in the working copy
290
426
# should probably put it back with the previous ID.
291
if isinstance(files, types.StringTypes):
427
if isinstance(files, basestring):
428
assert(ids is None or isinstance(ids, basestring))
294
inv = self.read_working_inventory()
296
if is_control_file(f):
297
bailout("cannot add control file %s" % quotefn(f))
302
bailout("cannot add top-level %r" % f)
304
fullpath = os.path.normpath(self.abspath(f))
307
kind = file_kind(fullpath)
309
# maybe something better?
310
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
312
if kind != 'file' and kind != 'directory':
313
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
315
file_id = gen_file_id(f)
316
inv.add_path(f, kind=kind, file_id=file_id)
319
show_status('A', kind, quotefn(f))
321
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
323
self._write_inventory(inv)
434
ids = [None] * len(files)
436
assert(len(ids) == len(files))
440
inv = self.read_working_inventory()
441
for f,file_id in zip(files, ids):
442
if is_control_file(f):
443
raise BzrError("cannot add control file %s" % quotefn(f))
448
raise BzrError("cannot add top-level %r" % f)
450
fullpath = os.path.normpath(self.abspath(f))
453
kind = file_kind(fullpath)
455
# maybe something better?
456
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
458
if kind != 'file' and kind != 'directory':
459
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
462
file_id = gen_file_id(f)
463
inv.add_path(f, kind=kind, file_id=file_id)
465
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
467
self._write_inventory(inv)
326
472
def print_file(self, file, revno):
327
473
"""Print `file` to stdout."""
328
tree = self.revision_tree(self.lookup_revision(revno))
329
# use inventory as it was in that revision
330
file_id = tree.inventory.path2id(file)
332
bailout("%r is not present in revision %d" % (file, revno))
333
tree.print_file(file_id)
476
tree = self.revision_tree(self.lookup_revision(revno))
477
# use inventory as it was in that revision
478
file_id = tree.inventory.path2id(file)
480
raise BzrError("%r is not present in revision %s" % (file, revno))
481
tree.print_file(file_id)
336
486
def remove(self, files, verbose=False):
337
487
"""Mark nominated files for removal from the inventory.
415
559
return self.working_tree().unknowns()
418
def commit(self, message, timestamp=None, timezone=None,
421
"""Commit working copy as a new revision.
423
The basic approach is to add all the file texts into the
424
store, then the inventory, then make a new revision pointing
425
to that inventory and store that.
427
This is not quite safe if the working copy changes during the
428
commit; for the moment that is simply not allowed. A better
429
approach is to make a temporary copy of the files before
430
computing their hashes, and then add those hashes in turn to
431
the inventory. This should mean at least that there are no
432
broken hash pointers. There is no way we can get a snapshot
433
of the whole directory at an instant. This would also have to
434
be robust against files disappearing, moving, etc. So the
435
whole thing is a bit hard.
437
timestamp -- if not None, seconds-since-epoch for a
438
postdated/predated commit.
441
## TODO: Show branch names
443
# TODO: Don't commit if there are no changes, unless forced?
445
# First walk over the working inventory; and both update that
446
# and also build a new revision inventory. The revision
447
# inventory needs to hold the text-id, sha1 and size of the
448
# actual file versions committed in the revision. (These are
449
# not present in the working inventory.) We also need to
450
# detect missing/deleted files, and remove them from the
453
work_inv = self.read_working_inventory()
455
basis = self.basis_tree()
456
basis_inv = basis.inventory
458
for path, entry in work_inv.iter_entries():
459
## TODO: Cope with files that have gone missing.
461
## TODO: Check that the file kind has not changed from the previous
462
## revision of this file (if any).
466
p = self.abspath(path)
467
file_id = entry.file_id
468
mutter('commit prep file %s, id %r ' % (p, file_id))
470
if not os.path.exists(p):
471
mutter(" file is missing, removing from inventory")
473
show_status('D', entry.kind, quotefn(path))
474
missing_ids.append(file_id)
477
# TODO: Handle files that have been deleted
479
# TODO: Maybe a special case for empty files? Seems a
480
# waste to store them many times.
484
if basis_inv.has_id(file_id):
485
old_kind = basis_inv[file_id].kind
486
if old_kind != entry.kind:
487
bailout("entry %r changed kind from %r to %r"
488
% (file_id, old_kind, entry.kind))
490
if entry.kind == 'directory':
492
bailout("%s is entered as directory but not a directory" % quotefn(p))
493
elif entry.kind == 'file':
495
bailout("%s is entered as file but is not a file" % quotefn(p))
497
content = file(p, 'rb').read()
499
entry.text_sha1 = sha_string(content)
500
entry.text_size = len(content)
502
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
504
and (old_ie.text_size == entry.text_size)
505
and (old_ie.text_sha1 == entry.text_sha1)):
506
## assert content == basis.get_file(file_id).read()
507
entry.text_id = basis_inv[file_id].text_id
508
mutter(' unchanged from previous text_id {%s}' %
512
entry.text_id = gen_file_id(entry.name)
513
self.text_store.add(content, entry.text_id)
514
mutter(' stored with text_id {%s}' % entry.text_id)
518
elif (old_ie.name == entry.name
519
and old_ie.parent_id == entry.parent_id):
524
show_status(state, entry.kind, quotefn(path))
526
for file_id in missing_ids:
527
# have to do this later so we don't mess up the iterator.
528
# since parents may be removed before their children we
531
# FIXME: There's probably a better way to do this; perhaps
532
# the workingtree should know how to filter itself.
533
if work_inv.has_id(file_id):
534
del work_inv[file_id]
537
inv_id = rev_id = _gen_revision_id(time.time())
539
inv_tmp = tempfile.TemporaryFile()
540
inv.write_xml(inv_tmp)
542
self.inventory_store.add(inv_tmp, inv_id)
543
mutter('new inventory_id is {%s}' % inv_id)
545
self._write_inventory(work_inv)
547
if timestamp == None:
548
timestamp = time.time()
550
if committer == None:
551
committer = username()
554
timezone = local_time_offset()
556
mutter("building commit log message")
557
rev = Revision(timestamp=timestamp,
560
precursor = self.last_patch(),
565
rev_tmp = tempfile.TemporaryFile()
566
rev.write_xml(rev_tmp)
568
self.revision_store.add(rev_tmp, rev_id)
569
mutter("new revision_id is {%s}" % rev_id)
571
## XXX: Everything up to here can simply be orphaned if we abort
572
## the commit; it will leave junk files behind but that doesn't
575
## TODO: Read back the just-generated changeset, and make sure it
576
## applies and recreates the right state.
578
## TODO: Also calculate and store the inventory SHA1
579
mutter("committing patch r%d" % (self.revno() + 1))
582
self.append_revision(rev_id)
585
note("commited r%d" % self.revno())
588
def append_revision(self, revision_id):
589
mutter("add {%s} to revision-history" % revision_id)
562
def append_revision(self, *revision_ids):
563
from bzrlib.atomicfile import AtomicFile
565
for revision_id in revision_ids:
566
mutter("add {%s} to revision-history" % revision_id)
590
568
rev_history = self.revision_history()
592
tmprhname = self.controlfilename('revision-history.tmp')
593
rhname = self.controlfilename('revision-history')
595
f = file(tmprhname, 'wt')
596
rev_history.append(revision_id)
597
f.write('\n'.join(rev_history))
601
if sys.platform == 'win32':
603
os.rename(tmprhname, rhname)
569
rev_history.extend(revision_ids)
571
f = AtomicFile(self.controlfilename('revision-history'))
573
for rev_id in rev_history:
580
def get_revision_xml_file(self, revision_id):
581
"""Return XML file object for revision object."""
582
if not revision_id or not isinstance(revision_id, basestring):
583
raise InvalidRevisionId(revision_id)
588
return self.revision_store[revision_id]
590
raise bzrlib.errors.NoSuchRevision(self, revision_id)
596
get_revision_xml = get_revision_xml_file
607
599
def get_revision(self, revision_id):
608
600
"""Return the Revision object for a named revision"""
609
r = Revision.read_xml(self.revision_store[revision_id])
601
xml_file = self.get_revision_xml_file(revision_id)
604
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
605
except SyntaxError, e:
606
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
610
610
assert r.revision_id == revision_id
614
def get_inventory(self, inventory_id):
614
def get_revision_delta(self, revno):
615
"""Return the delta for one revision.
617
The delta is relative to its mainline predecessor, or the
618
empty tree for revision 1.
620
assert isinstance(revno, int)
621
rh = self.revision_history()
622
if not (1 <= revno <= len(rh)):
623
raise InvalidRevisionNumber(revno)
625
# revno is 1-based; list is 0-based
627
new_tree = self.revision_tree(rh[revno-1])
629
old_tree = EmptyTree()
631
old_tree = self.revision_tree(rh[revno-2])
633
return compare_trees(old_tree, new_tree)
637
def get_revision_sha1(self, revision_id):
638
"""Hash the stored value of a revision, and return it."""
639
# In the future, revision entries will be signed. At that
640
# point, it is probably best *not* to include the signature
641
# in the revision hash. Because that lets you re-sign
642
# the revision, (add signatures/remove signatures) and still
643
# have all hash pointers stay consistent.
644
# But for now, just hash the contents.
645
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
648
def get_inventory(self, revision_id):
615
649
"""Get Inventory object by hash.
617
651
TODO: Perhaps for this and similar methods, take a revision
618
652
parameter which can be either an integer revno or a
620
i = Inventory.read_xml(self.inventory_store[inventory_id])
654
f = self.get_inventory_xml_file(revision_id)
655
return bzrlib.xml5.serializer_v5.read_inventory(f)
658
def get_inventory_xml(self, revision_id):
659
"""Get inventory XML as a file object."""
661
assert isinstance(revision_id, basestring), type(revision_id)
662
return self.inventory_store[revision_id]
664
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
666
get_inventory_xml_file = get_inventory_xml
669
def get_inventory_sha1(self, revision_id):
670
"""Return the sha1 hash of the inventory entry
672
return sha_file(self.get_inventory_xml_file(revision_id))
624
675
def get_revision_inventory(self, revision_id):
625
676
"""Return inventory of a past revision."""
677
# bzr 0.0.6 imposes the constraint that the inventory_id
678
# must be the same as its revision, so this is trivial.
626
679
if revision_id == None:
680
return Inventory(self.get_root_id())
629
return self.get_inventory(self.get_revision(revision_id).inventory_id)
682
return self.get_inventory(revision_id)
632
685
def revision_history(self):
644
747
That is equivalent to the number of revisions committed to
647
>>> b = ScratchBranch()
650
>>> b.commit('no foo')
654
750
return len(self.revision_history())
657
753
def last_patch(self):
658
754
"""Return last patch hash, or None if no history.
660
>>> ScratchBranch().last_patch() == None
663
756
ph = self.revision_history()
670
def lookup_revision(self, revno):
671
"""Return revision hash for revision number."""
763
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
765
If self and other have not diverged, return a list of the revisions
766
present in other, but missing from self.
768
>>> from bzrlib.commit import commit
769
>>> bzrlib.trace.silent = True
770
>>> br1 = ScratchBranch()
771
>>> br2 = ScratchBranch()
772
>>> br1.missing_revisions(br2)
774
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
775
>>> br1.missing_revisions(br2)
777
>>> br2.missing_revisions(br1)
779
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
780
>>> br1.missing_revisions(br2)
782
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
783
>>> br1.missing_revisions(br2)
785
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
786
>>> br1.missing_revisions(br2)
787
Traceback (most recent call last):
788
DivergedBranches: These branches have diverged.
790
self_history = self.revision_history()
791
self_len = len(self_history)
792
other_history = other.revision_history()
793
other_len = len(other_history)
794
common_index = min(self_len, other_len) -1
795
if common_index >= 0 and \
796
self_history[common_index] != other_history[common_index]:
797
raise DivergedBranches(self, other)
799
if stop_revision is None:
800
stop_revision = other_len
801
elif stop_revision > other_len:
802
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
804
return other_history[self_len:stop_revision]
807
def update_revisions(self, other, stop_revision=None):
808
"""Pull in all new revisions from other branch.
810
from bzrlib.fetch import greedy_fetch
812
pb = bzrlib.ui.ui_factory.progress_bar()
813
pb.update('comparing histories')
815
revision_ids = self.missing_revisions(other, stop_revision)
817
if len(revision_ids) > 0:
818
count = greedy_fetch(self, other, revision_ids[-1], pb)[0]
821
self.append_revision(*revision_ids)
822
## note("Added %d revisions." % count)
825
def install_revisions(self, other, revision_ids, pb):
826
if hasattr(other.revision_store, "prefetch"):
827
other.revision_store.prefetch(revision_ids)
828
if hasattr(other.inventory_store, "prefetch"):
829
inventory_ids = [other.get_revision(r).inventory_id
830
for r in revision_ids]
831
other.inventory_store.prefetch(inventory_ids)
834
pb = bzrlib.ui.ui_factory.progress_bar()
841
for i, rev_id in enumerate(revision_ids):
842
pb.update('fetching revision', i+1, len(revision_ids))
844
rev = other.get_revision(rev_id)
845
except bzrlib.errors.NoSuchRevision:
849
revisions.append(rev)
850
inv = other.get_inventory(str(rev.inventory_id))
851
for key, entry in inv.iter_entries():
852
if entry.text_id is None:
854
if entry.text_id not in self.text_store:
855
needed_texts.add(entry.text_id)
859
count, cp_fail = self.text_store.copy_multi(other.text_store,
861
#print "Added %d texts." % count
862
inventory_ids = [ f.inventory_id for f in revisions ]
863
count, cp_fail = self.inventory_store.copy_multi(other.inventory_store,
865
#print "Added %d inventories." % count
866
revision_ids = [ f.revision_id for f in revisions]
868
count, cp_fail = self.revision_store.copy_multi(other.revision_store,
871
assert len(cp_fail) == 0
872
return count, failures
875
def commit(self, *args, **kw):
876
from bzrlib.commit import Commit
877
Commit().commit(self, *args, **kw)
880
def lookup_revision(self, revision):
881
"""Return the revision identifier for a given revision information."""
882
revno, info = self._get_revision_info(revision)
886
def revision_id_to_revno(self, revision_id):
887
"""Given a revision id, return its revno"""
888
history = self.revision_history()
890
return history.index(revision_id) + 1
892
raise bzrlib.errors.NoSuchRevision(self, revision_id)
895
def get_revision_info(self, revision):
896
"""Return (revno, revision id) for revision identifier.
898
revision can be an integer, in which case it is assumed to be revno (though
899
this will translate negative values into positive ones)
900
revision can also be a string, in which case it is parsed for something like
901
'date:' or 'revid:' etc.
903
revno, rev_id = self._get_revision_info(revision)
905
raise bzrlib.errors.NoSuchRevision(self, revision)
908
def get_rev_id(self, revno, history=None):
909
"""Find the revision id of the specified revno."""
676
# list is 0-based; revisions are 1-based
677
return self.revision_history()[revno-1]
679
raise BzrError("no such revision %s" % revno)
913
history = self.revision_history()
914
elif revno <= 0 or revno > len(history):
915
raise bzrlib.errors.NoSuchRevision(self, revno)
916
return history[revno - 1]
918
def _get_revision_info(self, revision):
919
"""Return (revno, revision id) for revision specifier.
921
revision can be an integer, in which case it is assumed to be revno
922
(though this will translate negative values into positive ones)
923
revision can also be a string, in which case it is parsed for something
924
like 'date:' or 'revid:' etc.
926
A revid is always returned. If it is None, the specifier referred to
927
the null revision. If the revid does not occur in the revision
928
history, revno will be None.
934
try:# Convert to int if possible
935
revision = int(revision)
938
revs = self.revision_history()
939
if isinstance(revision, int):
941
revno = len(revs) + revision + 1
944
rev_id = self.get_rev_id(revno, revs)
945
elif isinstance(revision, basestring):
946
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
947
if revision.startswith(prefix):
948
result = func(self, revs, revision)
950
revno, rev_id = result
953
rev_id = self.get_rev_id(revno, revs)
956
raise BzrError('No namespace registered for string: %r' %
959
raise TypeError('Unhandled revision type %s' % revision)
963
raise bzrlib.errors.NoSuchRevision(self, revision)
966
def _namespace_revno(self, revs, revision):
967
"""Lookup a revision by revision number"""
968
assert revision.startswith('revno:')
970
return (int(revision[6:]),)
973
REVISION_NAMESPACES['revno:'] = _namespace_revno
975
def _namespace_revid(self, revs, revision):
976
assert revision.startswith('revid:')
977
rev_id = revision[len('revid:'):]
979
return revs.index(rev_id) + 1, rev_id
982
REVISION_NAMESPACES['revid:'] = _namespace_revid
984
def _namespace_last(self, revs, revision):
985
assert revision.startswith('last:')
987
offset = int(revision[5:])
992
raise BzrError('You must supply a positive value for --revision last:XXX')
993
return (len(revs) - offset + 1,)
994
REVISION_NAMESPACES['last:'] = _namespace_last
996
def _namespace_tag(self, revs, revision):
997
assert revision.startswith('tag:')
998
raise BzrError('tag: namespace registered, but not implemented.')
999
REVISION_NAMESPACES['tag:'] = _namespace_tag
1001
def _namespace_date(self, revs, revision):
1002
assert revision.startswith('date:')
1004
# Spec for date revisions:
1006
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
1007
# it can also start with a '+/-/='. '+' says match the first
1008
# entry after the given date. '-' is match the first entry before the date
1009
# '=' is match the first entry after, but still on the given date.
1011
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
1012
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
1013
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
1014
# May 13th, 2005 at 0:00
1016
# So the proper way of saying 'give me all entries for today' is:
1017
# -r {date:+today}:{date:-tomorrow}
1018
# The default is '=' when not supplied
1021
if val[:1] in ('+', '-', '='):
1022
match_style = val[:1]
1025
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
1026
if val.lower() == 'yesterday':
1027
dt = today - datetime.timedelta(days=1)
1028
elif val.lower() == 'today':
1030
elif val.lower() == 'tomorrow':
1031
dt = today + datetime.timedelta(days=1)
1034
# This should be done outside the function to avoid recompiling it.
1035
_date_re = re.compile(
1036
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1038
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1040
m = _date_re.match(val)
1041
if not m or (not m.group('date') and not m.group('time')):
1042
raise BzrError('Invalid revision date %r' % revision)
1045
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1047
year, month, day = today.year, today.month, today.day
1049
hour = int(m.group('hour'))
1050
minute = int(m.group('minute'))
1051
if m.group('second'):
1052
second = int(m.group('second'))
1056
hour, minute, second = 0,0,0
1058
dt = datetime.datetime(year=year, month=month, day=day,
1059
hour=hour, minute=minute, second=second)
1063
if match_style == '-':
1065
elif match_style == '=':
1066
last = dt + datetime.timedelta(days=1)
1069
for i in range(len(revs)-1, -1, -1):
1070
r = self.get_revision(revs[i])
1071
# TODO: Handle timezone.
1072
dt = datetime.datetime.fromtimestamp(r.timestamp)
1073
if first >= dt and (last is None or dt >= last):
1076
for i in range(len(revs)):
1077
r = self.get_revision(revs[i])
1078
# TODO: Handle timezone.
1079
dt = datetime.datetime.fromtimestamp(r.timestamp)
1080
if first <= dt and (last is None or dt <= last):
1082
REVISION_NAMESPACES['date:'] = _namespace_date
682
1084
def revision_tree(self, revision_id):
683
1085
"""Return Tree for a revision on this branch.
685
1087
`revision_id` may be None for the null revision, in which case
686
1088
an `EmptyTree` is returned."""
1089
# TODO: refactor this to use an existing revision object
1090
# so we don't need to read it in twice.
688
1091
if revision_id == None:
689
1092
return EmptyTree()
691
1094
inv = self.get_revision_inventory(revision_id)
692
return RevisionTree(self.text_store, inv)
1095
return RevisionTree(self.weave_store, inv, revision_id)
695
1098
def working_tree(self):
696
1099
"""Return a `Tree` for the working copy."""
1100
from workingtree import WorkingTree
697
1101
return WorkingTree(self.base, self.read_working_inventory())
701
1105
"""Return `Tree` object for last revision.
703
1107
If there are no revisions yet, return an `EmptyTree`.
705
>>> b = ScratchBranch(files=['foo'])
706
>>> b.basis_tree().has_filename('foo')
708
>>> b.working_tree().has_filename('foo')
711
>>> b.commit('add foo')
712
>>> b.basis_tree().has_filename('foo')
715
r = self.last_patch()
719
return RevisionTree(self.text_store, self.get_revision_inventory(r))
723
def write_log(self, show_timezone='original', verbose=False):
724
"""Write out human-readable log of commits to this branch
726
utc -- If true, show dates in universal time, not local time."""
727
## TODO: Option to choose either original, utc or local timezone
730
for p in self.revision_history():
732
print 'revno:', revno
733
## TODO: Show hash if --id is given.
734
##print 'revision-hash:', p
735
rev = self.get_revision(p)
736
print 'committer:', rev.committer
737
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
740
## opportunistic consistency check, same as check_patch_chaining
741
if rev.precursor != precursor:
742
bailout("mismatched precursor!")
746
print ' (no message)'
748
for l in rev.message.split('\n'):
751
if verbose == True and precursor != None:
752
print 'changed files:'
753
tree = self.revision_tree(p)
754
prevtree = self.revision_tree(precursor)
756
for file_state, fid, old_name, new_name, kind in \
757
diff_trees(prevtree, tree, ):
758
if file_state == 'A' or file_state == 'M':
759
show_status(file_state, kind, new_name)
760
elif file_state == 'D':
761
show_status(file_state, kind, old_name)
762
elif file_state == 'R':
763
show_status(file_state, kind,
764
old_name + ' => ' + new_name)
1109
return self.revision_tree(self.last_patch())
770
1112
def rename_one(self, from_rel, to_rel):
771
tree = self.working_tree()
773
if not tree.has_filename(from_rel):
774
bailout("can't rename: old working file %r does not exist" % from_rel)
775
if tree.has_filename(to_rel):
776
bailout("can't rename: new working file %r already exists" % to_rel)
778
file_id = inv.path2id(from_rel)
780
bailout("can't rename: old name %r is not versioned" % from_rel)
782
if inv.path2id(to_rel):
783
bailout("can't rename: new name %r is already versioned" % to_rel)
785
to_dir, to_tail = os.path.split(to_rel)
786
to_dir_id = inv.path2id(to_dir)
787
if to_dir_id == None and to_dir != '':
788
bailout("can't determine destination directory id for %r" % to_dir)
790
mutter("rename_one:")
791
mutter(" file_id {%s}" % file_id)
792
mutter(" from_rel %r" % from_rel)
793
mutter(" to_rel %r" % to_rel)
794
mutter(" to_dir %r" % to_dir)
795
mutter(" to_dir_id {%s}" % to_dir_id)
797
inv.rename(file_id, to_dir_id, to_tail)
799
print "%s => %s" % (from_rel, to_rel)
801
from_abs = self.abspath(from_rel)
802
to_abs = self.abspath(to_rel)
1115
This can change the directory or the filename or both.
804
os.rename(from_abs, to_abs)
806
bailout("failed to rename %r to %r: %s"
807
% (from_abs, to_abs, e[1]),
808
["rename rolled back"])
810
self._write_inventory(inv)
1119
tree = self.working_tree()
1120
inv = tree.inventory
1121
if not tree.has_filename(from_rel):
1122
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1123
if tree.has_filename(to_rel):
1124
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1126
file_id = inv.path2id(from_rel)
1128
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1130
if inv.path2id(to_rel):
1131
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1133
to_dir, to_tail = os.path.split(to_rel)
1134
to_dir_id = inv.path2id(to_dir)
1135
if to_dir_id == None and to_dir != '':
1136
raise BzrError("can't determine destination directory id for %r" % to_dir)
1138
mutter("rename_one:")
1139
mutter(" file_id {%s}" % file_id)
1140
mutter(" from_rel %r" % from_rel)
1141
mutter(" to_rel %r" % to_rel)
1142
mutter(" to_dir %r" % to_dir)
1143
mutter(" to_dir_id {%s}" % to_dir_id)
1145
inv.rename(file_id, to_dir_id, to_tail)
1147
from_abs = self.abspath(from_rel)
1148
to_abs = self.abspath(to_rel)
1150
os.rename(from_abs, to_abs)
1152
raise BzrError("failed to rename %r to %r: %s"
1153
% (from_abs, to_abs, e[1]),
1154
["rename rolled back"])
1156
self._write_inventory(inv)
814
1161
def move(self, from_paths, to_name):
822
1169
Note that to_name is only the last component of the new name;
823
1170
this doesn't change the directory.
825
## TODO: Option to move IDs only
826
assert not isinstance(from_paths, basestring)
827
tree = self.working_tree()
829
to_abs = self.abspath(to_name)
830
if not isdir(to_abs):
831
bailout("destination %r is not a directory" % to_abs)
832
if not tree.has_filename(to_name):
833
bailout("destination %r not in working directory" % to_abs)
834
to_dir_id = inv.path2id(to_name)
835
if to_dir_id == None and to_name != '':
836
bailout("destination %r is not a versioned directory" % to_name)
837
to_dir_ie = inv[to_dir_id]
838
if to_dir_ie.kind not in ('directory', 'root_directory'):
839
bailout("destination %r is not a directory" % to_abs)
841
to_idpath = Set(inv.get_idpath(to_dir_id))
844
if not tree.has_filename(f):
845
bailout("%r does not exist in working tree" % f)
846
f_id = inv.path2id(f)
848
bailout("%r is not versioned" % f)
849
name_tail = splitpath(f)[-1]
850
dest_path = appendpath(to_name, name_tail)
851
if tree.has_filename(dest_path):
852
bailout("destination %r already exists" % dest_path)
853
if f_id in to_idpath:
854
bailout("can't move %r to a subdirectory of itself" % f)
856
# OK, so there's a race here, it's possible that someone will
857
# create a file in this interval and then the rename might be
858
# left half-done. But we should have caught most problems.
861
name_tail = splitpath(f)[-1]
862
dest_path = appendpath(to_name, name_tail)
863
print "%s => %s" % (f, dest_path)
864
inv.rename(inv.path2id(f), to_dir_id, name_tail)
866
os.rename(self.abspath(f), self.abspath(dest_path))
868
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
869
["rename rolled back"])
871
self._write_inventory(inv)
875
def show_status(self, show_all=False):
876
"""Display single-line status for non-ignored working files.
878
The list is show sorted in order by file name.
880
>>> b = ScratchBranch(files=['foo', 'foo~'])
886
>>> b.commit("add foo")
888
>>> os.unlink(b.abspath('foo'))
892
TODO: Get state for single files.
895
# We have to build everything into a list first so that it can
896
# sorted by name, incorporating all the different sources.
898
# FIXME: Rather than getting things in random order and then sorting,
899
# just step through in order.
901
# Interesting case: the old ID for a file has been removed,
902
# but a new file has been created under that name.
904
old = self.basis_tree()
905
new = self.working_tree()
907
for fs, fid, oldname, newname, kind in diff_trees(old, new):
909
show_status(fs, kind,
910
oldname + ' => ' + newname)
911
elif fs == 'A' or fs == 'M':
912
show_status(fs, kind, newname)
914
show_status(fs, kind, oldname)
917
show_status(fs, kind, newname)
920
show_status(fs, kind, newname)
922
show_status(fs, kind, newname)
924
bailout("weird file state %r" % ((fs, fid),))
1172
This returns a list of (from_path, to_path) pairs for each
1173
entry that is moved.
1178
## TODO: Option to move IDs only
1179
assert not isinstance(from_paths, basestring)
1180
tree = self.working_tree()
1181
inv = tree.inventory
1182
to_abs = self.abspath(to_name)
1183
if not isdir(to_abs):
1184
raise BzrError("destination %r is not a directory" % to_abs)
1185
if not tree.has_filename(to_name):
1186
raise BzrError("destination %r not in working directory" % to_abs)
1187
to_dir_id = inv.path2id(to_name)
1188
if to_dir_id == None and to_name != '':
1189
raise BzrError("destination %r is not a versioned directory" % to_name)
1190
to_dir_ie = inv[to_dir_id]
1191
if to_dir_ie.kind not in ('directory', 'root_directory'):
1192
raise BzrError("destination %r is not a directory" % to_abs)
1194
to_idpath = inv.get_idpath(to_dir_id)
1196
for f in from_paths:
1197
if not tree.has_filename(f):
1198
raise BzrError("%r does not exist in working tree" % f)
1199
f_id = inv.path2id(f)
1201
raise BzrError("%r is not versioned" % f)
1202
name_tail = splitpath(f)[-1]
1203
dest_path = appendpath(to_name, name_tail)
1204
if tree.has_filename(dest_path):
1205
raise BzrError("destination %r already exists" % dest_path)
1206
if f_id in to_idpath:
1207
raise BzrError("can't move %r to a subdirectory of itself" % f)
1209
# OK, so there's a race here, it's possible that someone will
1210
# create a file in this interval and then the rename might be
1211
# left half-done. But we should have caught most problems.
1213
for f in from_paths:
1214
name_tail = splitpath(f)[-1]
1215
dest_path = appendpath(to_name, name_tail)
1216
result.append((f, dest_path))
1217
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1219
os.rename(self.abspath(f), self.abspath(dest_path))
1221
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1222
["rename rolled back"])
1224
self._write_inventory(inv)
1231
def revert(self, filenames, old_tree=None, backups=True):
1232
"""Restore selected files to the versions from a previous tree.
1235
If true (default) backups are made of files before
1238
from bzrlib.errors import NotVersionedError, BzrError
1239
from bzrlib.atomicfile import AtomicFile
1240
from bzrlib.osutils import backup_file
1242
inv = self.read_working_inventory()
1243
if old_tree is None:
1244
old_tree = self.basis_tree()
1245
old_inv = old_tree.inventory
1248
for fn in filenames:
1249
file_id = inv.path2id(fn)
1251
raise NotVersionedError("not a versioned file", fn)
1252
if not old_inv.has_id(file_id):
1253
raise BzrError("file not present in old tree", fn, file_id)
1254
nids.append((fn, file_id))
1256
# TODO: Rename back if it was previously at a different location
1258
# TODO: If given a directory, restore the entire contents from
1259
# the previous version.
1261
# TODO: Make a backup to a temporary file.
1263
# TODO: If the file previously didn't exist, delete it?
1264
for fn, file_id in nids:
1267
f = AtomicFile(fn, 'wb')
1269
f.write(old_tree.get_file(file_id).read())
1275
def pending_merges(self):
1276
"""Return a list of pending merges.
1278
These are revisions that have been merged into the working
1279
directory but not yet committed.
1281
cfn = self.controlfilename('pending-merges')
1282
if not os.path.exists(cfn):
1285
for l in self.controlfile('pending-merges', 'r').readlines():
1286
p.append(l.rstrip('\n'))
1290
def add_pending_merge(self, revision_id):
1291
from bzrlib.revision import validate_revision_id
1293
validate_revision_id(revision_id)
1295
p = self.pending_merges()
1296
if revision_id in p:
1298
p.append(revision_id)
1299
self.set_pending_merges(p)
1302
def set_pending_merges(self, rev_list):
1303
from bzrlib.atomicfile import AtomicFile
1306
f = AtomicFile(self.controlfilename('pending-merges'))
1317
def get_parent(self):
1318
"""Return the parent location of the branch.
1320
This is the default location for push/pull/missing. The usual
1321
pattern is that the user can override it by specifying a
1325
_locs = ['parent', 'pull', 'x-pull']
1328
return self.controlfile(l, 'r').read().strip('\n')
1330
if e.errno != errno.ENOENT:
1335
def set_parent(self, url):
1336
# TODO: Maybe delete old location files?
1337
from bzrlib.atomicfile import AtomicFile
1340
f = AtomicFile(self.controlfilename('parent'))
1349
def check_revno(self, revno):
1351
Check whether a revno corresponds to any revision.
1352
Zero (the NULL revision) is considered valid.
1355
self.check_real_revno(revno)
1357
def check_real_revno(self, revno):
1359
Check whether a revno corresponds to a real revision.
1360
Zero (the NULL revision) is considered invalid
1362
if revno < 1 or revno > self.revno():
1363
raise InvalidRevisionNumber(revno)
928
1368
class ScratchBranch(Branch):