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
22
from bzrlib.trace import mutter, note
23
from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, \
25
sha_file, appendpath, file_kind
26
from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
28
from bzrlib.textui import show_status
29
from bzrlib.revision import Revision
30
from bzrlib.xml import unpack_xml
31
from bzrlib.delta import compare_trees
32
from bzrlib.tree import EmptyTree, RevisionTree
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
34
38
BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
35
39
## TODO: Maybe include checks for common corruption of newlines, etc?
38
# TODO: Some operations like log might retrieve the same revisions
39
# repeatedly to calculate deltas. We could perhaps have a weakref
40
# cache in memory to make this faster.
43
def find_branch(f, **args):
44
if f and (f.startswith('http://') or f.startswith('https://')):
46
return remotebranch.RemoteBranch(f, **args)
48
return Branch(f, **args)
51
def find_cached_branch(f, cache_root, **args):
52
from remotebranch import RemoteBranch
53
br = find_branch(f, **args)
54
def cacheify(br, store_name):
55
from meta_store import CachedStore
56
cache_path = os.path.join(cache_root, store_name)
58
new_store = CachedStore(getattr(br, store_name), cache_path)
59
setattr(br, store_name, new_store)
61
if isinstance(br, RemoteBranch):
62
cacheify(br, 'inventory_store')
63
cacheify(br, 'text_store')
64
cacheify(br, 'revision_store')
68
def _relpath(base, path):
69
"""Return path relative to base, or raise exception.
71
The path may be either an absolute path or a path relative to the
72
current working directory.
74
Lifted out of Branch.relpath for ease of testing.
76
os.path.commonprefix (python2.4) has a bad bug that it works just
77
on string prefixes, assuming that '/u' is a prefix of '/u2'. This
78
avoids that problem."""
79
rp = os.path.abspath(path)
83
while len(head) >= len(base):
86
head, tail = os.path.split(head)
90
from errors import NotBranchError
91
raise NotBranchError("path %r is not within branch %r" % (rp, base))
96
43
def find_branch_root(f=None):
97
44
"""Find the branch root enclosing f, or pwd.
99
f may be a filename or a URL.
101
46
It is not necessary that f exists.
103
48
Basically we keep looking up until we find the control directory or
123
65
raise BzrError('%r is not in a branch' % orig_f)
126
class DivergedBranches(Exception):
127
def __init__(self, branch1, branch2):
128
self.branch1 = branch1
129
self.branch2 = branch2
130
Exception.__init__(self, "These branches have diverged.")
133
70
######################################################################
136
class Branch(object):
137
74
"""Branch holding a history of revisions.
140
Base directory of the branch.
146
If _lock_mode is true, a positive count of the number of times the
150
Lock object from bzrlib.lock.
76
:todo: Perhaps use different stores for different classes of object,
77
so that we can keep track of how much space each one uses,
78
or garbage-collect them.
80
:todo: Add a RemoteBranch subclass. For the basic case of read-only
81
HTTP access this should be very easy by,
82
just redirecting controlfile access into HTTP requests.
83
We would need a RemoteStore working similarly.
85
:todo: Keep the on-disk branch locked while the object exists.
87
:todo: mkdir() method.
157
# Map some sort of prefix into a namespace
158
# stuff like "revno:10", "revid:", etc.
159
# This should match a prefix with a function which accepts
160
REVISION_NAMESPACES = {}
162
89
def __init__(self, base, init=False, find_root=True):
163
90
"""Create new branch object at a particular location.
165
base -- Base directory for the branch.
92
:param base: Base directory for the branch.
167
init -- If True, create new control files in a previously
94
:param init: If True, create new control files in a previously
168
95
unversioned directory. If False, the branch must already
171
find_root -- If true and init is false, find the root of the
98
:param find_root: If true and init is false, find the root of the
172
99
existing branch containing base.
174
101
In the test suite, creation of new trees is tested using the
175
102
`ScratchBranch` class.
177
from bzrlib.store import ImmutableStore
179
105
self.base = os.path.realpath(base)
180
106
self._make_control()
333
202
fmt = self.controlfile('branch-format', 'r').read()
334
203
fmt.replace('\r\n', '')
335
204
if fmt != BZR_BRANCH_FORMAT:
336
raise BzrError('sorry, branch format %r not supported' % fmt,
337
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
340
def get_root_id(self):
341
"""Return the id of this branches root"""
342
inv = self.read_working_inventory()
343
return inv.root.file_id
345
def set_root_id(self, file_id):
346
inv = self.read_working_inventory()
347
orig_root_id = inv.root.file_id
348
del inv._byid[inv.root.file_id]
349
inv.root.file_id = file_id
350
inv._byid[inv.root.file_id] = inv.root
353
if entry.parent_id in (None, orig_root_id):
354
entry.parent_id = inv.root.file_id
355
self._write_inventory(inv)
205
bailout('sorry, branch format %r not supported' % fmt,
206
['use a different bzr version',
207
'or remove the .bzr directory and "bzr init" again'])
357
210
def read_working_inventory(self):
358
211
"""Read the working inventory."""
359
from bzrlib.inventory import Inventory
360
from bzrlib.xml import unpack_xml
361
from time import time
365
# ElementTree does its own conversion from UTF-8, so open in
367
inv = unpack_xml(Inventory,
368
self.controlfile('inventory', 'rb'))
369
mutter("loaded inventory of %d items in %f"
370
% (len(inv), time() - before))
213
# ElementTree does its own conversion from UTF-8, so open in
215
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
216
mutter("loaded inventory of %d items in %f"
217
% (len(inv), time.time() - before))
376
221
def _write_inventory(self, inv):
377
222
"""Update the working inventory.
408
249
This puts the files in the Added state, so that they will be
409
250
recorded by the next commit.
412
List of paths to add, relative to the base of the tree.
415
If set, use these instead of automatically generated ids.
416
Must be the same length as the list of files, but may
417
contain None for ids that are to be autogenerated.
419
TODO: Perhaps have an option to add the ids even if the files do
422
TODO: Perhaps return the ids of the files? But then again it
423
is easy to retrieve them if they're needed.
425
TODO: Adding a directory should optionally recurse down and
426
add all non-ignored children. Perhaps do that in a
252
:todo: Perhaps have an option to add the ids even if the files do
255
:todo: Perhaps return the ids of the files? But then again it
256
is easy to retrieve them if they're needed.
258
:todo: Option to specify file id.
260
:todo: Adding a directory should optionally recurse down and
261
add all non-ignored children. Perhaps do that in a
264
>>> b = ScratchBranch(files=['foo'])
265
>>> 'foo' in b.unknowns()
270
>>> 'foo' in b.unknowns()
272
>>> bool(b.inventory.path2id('foo'))
278
Traceback (most recent call last):
280
BzrError: ('foo is already versioned', [])
282
>>> b.add(['nothere'])
283
Traceback (most recent call last):
284
BzrError: ('cannot add: not a regular file or directory: nothere', [])
429
287
# TODO: Re-adding a file that is removed in the working copy
430
288
# should probably put it back with the previous ID.
431
if isinstance(files, basestring):
432
assert(ids is None or isinstance(ids, basestring))
289
if isinstance(files, types.StringTypes):
438
ids = [None] * len(files)
440
assert(len(ids) == len(files))
444
inv = self.read_working_inventory()
445
for f,file_id in zip(files, ids):
446
if is_control_file(f):
447
raise BzrError("cannot add control file %s" % quotefn(f))
452
raise BzrError("cannot add top-level %r" % f)
454
fullpath = os.path.normpath(self.abspath(f))
457
kind = file_kind(fullpath)
459
# maybe something better?
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
462
if kind != 'file' and kind != 'directory':
463
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
466
file_id = gen_file_id(f)
467
inv.add_path(f, kind=kind, file_id=file_id)
470
print 'added', quotefn(f)
472
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
474
self._write_inventory(inv)
292
inv = self.read_working_inventory()
294
if is_control_file(f):
295
bailout("cannot add control file %s" % quotefn(f))
300
bailout("cannot add top-level %r" % f)
302
fullpath = os.path.normpath(self.abspath(f))
305
kind = file_kind(fullpath)
307
# maybe something better?
308
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
310
if kind != 'file' and kind != 'directory':
311
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
313
file_id = gen_file_id(f)
314
inv.add_path(f, kind=kind, file_id=file_id)
317
show_status('A', kind, quotefn(f))
319
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
321
self._write_inventory(inv)
479
324
def print_file(self, file, revno):
480
325
"""Print `file` to stdout."""
483
tree = self.revision_tree(self.lookup_revision(revno))
484
# use inventory as it was in that revision
485
file_id = tree.inventory.path2id(file)
487
raise BzrError("%r is not present in revision %s" % (file, revno))
488
tree.print_file(file_id)
326
tree = self.revision_tree(self.lookup_revision(revno))
327
# use inventory as it was in that revision
328
file_id = tree.inventory.path2id(file)
330
bailout("%r is not present in revision %d" % (file, revno))
331
tree.print_file(file_id)
493
334
def remove(self, files, verbose=False):
494
335
"""Mark nominated files for removal from the inventory.
496
337
This does not remove their text. This does not run on
498
TODO: Refuse to remove modified files unless --force is given?
500
TODO: Do something useful with directories.
502
TODO: Should this remove the text or not? Tough call; not
339
:todo: Refuse to remove modified files unless --force is given?
341
>>> b = ScratchBranch(files=['foo'])
343
>>> b.inventory.has_filename('foo')
346
>>> b.working_tree().has_filename('foo')
348
>>> b.inventory.has_filename('foo')
351
>>> b = ScratchBranch(files=['foo'])
356
>>> b.inventory.has_filename('foo')
358
>>> b.basis_tree().has_filename('foo')
360
>>> b.working_tree().has_filename('foo')
363
:todo: Do something useful with directories.
365
:todo: Should this remove the text or not? Tough call; not
503
366
removing may be useful and the user can just use use rm, and
504
367
is the opposite of add. Removing it is consistent with most
505
368
other tools. Maybe an option.
507
370
## TODO: Normalize names
508
371
## TODO: Remove nested loops; better scalability
509
if isinstance(files, basestring):
373
if isinstance(files, types.StringTypes):
515
tree = self.working_tree()
518
# do this before any modifications
522
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
523
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
525
# having remove it, it must be either ignored or unknown
526
if tree.is_ignored(f):
530
show_status(new_status, inv[fid].kind, quotefn(f))
533
self._write_inventory(inv)
538
# FIXME: this doesn't need to be a branch method
539
def set_inventory(self, new_inventory_list):
540
from bzrlib.inventory import Inventory, InventoryEntry
541
inv = Inventory(self.get_root_id())
542
for path, file_id, parent, kind in new_inventory_list:
543
name = os.path.basename(path)
546
inv.add(InventoryEntry(file_id, name, kind, parent))
376
tree = self.working_tree()
379
# do this before any modifications
383
bailout("cannot remove unversioned file %s" % quotefn(f))
384
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
386
# having remove it, it must be either ignored or unknown
387
if tree.is_ignored(f):
391
show_status(new_status, inv[fid].kind, quotefn(f))
547
394
self._write_inventory(inv)
566
413
return self.working_tree().unknowns()
569
def append_revision(self, *revision_ids):
570
from bzrlib.atomicfile import AtomicFile
572
for revision_id in revision_ids:
573
mutter("add {%s} to revision-history" % revision_id)
416
def commit(self, message, timestamp=None, timezone=None,
419
"""Commit working copy as a new revision.
421
The basic approach is to add all the file texts into the
422
store, then the inventory, then make a new revision pointing
423
to that inventory and store that.
425
This is not quite safe if the working copy changes during the
426
commit; for the moment that is simply not allowed. A better
427
approach is to make a temporary copy of the files before
428
computing their hashes, and then add those hashes in turn to
429
the inventory. This should mean at least that there are no
430
broken hash pointers. There is no way we can get a snapshot
431
of the whole directory at an instant. This would also have to
432
be robust against files disappearing, moving, etc. So the
433
whole thing is a bit hard.
435
:param timestamp: if not None, seconds-since-epoch for a
436
postdated/predated commit.
439
## TODO: Show branch names
441
# TODO: Don't commit if there are no changes, unless forced?
443
# First walk over the working inventory; and both update that
444
# and also build a new revision inventory. The revision
445
# inventory needs to hold the text-id, sha1 and size of the
446
# actual file versions committed in the revision. (These are
447
# not present in the working inventory.) We also need to
448
# detect missing/deleted files, and remove them from the
451
work_inv = self.read_working_inventory()
453
basis = self.basis_tree()
454
basis_inv = basis.inventory
456
for path, entry in work_inv.iter_entries():
457
## TODO: Cope with files that have gone missing.
459
## TODO: Check that the file kind has not changed from the previous
460
## revision of this file (if any).
464
p = self.abspath(path)
465
file_id = entry.file_id
466
mutter('commit prep file %s, id %r ' % (p, file_id))
468
if not os.path.exists(p):
469
mutter(" file is missing, removing from inventory")
471
show_status('D', entry.kind, quotefn(path))
472
missing_ids.append(file_id)
475
# TODO: Handle files that have been deleted
477
# TODO: Maybe a special case for empty files? Seems a
478
# waste to store them many times.
482
if basis_inv.has_id(file_id):
483
old_kind = basis_inv[file_id].kind
484
if old_kind != entry.kind:
485
bailout("entry %r changed kind from %r to %r"
486
% (file_id, old_kind, entry.kind))
488
if entry.kind == 'directory':
490
bailout("%s is entered as directory but not a directory" % quotefn(p))
491
elif entry.kind == 'file':
493
bailout("%s is entered as file but is not a file" % quotefn(p))
495
content = file(p, 'rb').read()
497
entry.text_sha1 = sha_string(content)
498
entry.text_size = len(content)
500
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
502
and (old_ie.text_size == entry.text_size)
503
and (old_ie.text_sha1 == entry.text_sha1)):
504
## assert content == basis.get_file(file_id).read()
505
entry.text_id = basis_inv[file_id].text_id
506
mutter(' unchanged from previous text_id {%s}' %
510
entry.text_id = gen_file_id(entry.name)
511
self.text_store.add(content, entry.text_id)
512
mutter(' stored with text_id {%s}' % entry.text_id)
516
elif (old_ie.name == entry.name
517
and old_ie.parent_id == entry.parent_id):
522
show_status(state, entry.kind, quotefn(path))
524
for file_id in missing_ids:
525
# have to do this later so we don't mess up the iterator.
526
# since parents may be removed before their children we
529
# FIXME: There's probably a better way to do this; perhaps
530
# the workingtree should know how to filter itself.
531
if work_inv.has_id(file_id):
532
del work_inv[file_id]
535
inv_id = rev_id = _gen_revision_id(time.time())
537
inv_tmp = tempfile.TemporaryFile()
538
inv.write_xml(inv_tmp)
540
self.inventory_store.add(inv_tmp, inv_id)
541
mutter('new inventory_id is {%s}' % inv_id)
543
self._write_inventory(work_inv)
545
if timestamp == None:
546
timestamp = time.time()
548
if committer == None:
549
committer = username()
552
timezone = local_time_offset()
554
mutter("building commit log message")
555
rev = Revision(timestamp=timestamp,
558
precursor = self.last_patch(),
563
rev_tmp = tempfile.TemporaryFile()
564
rev.write_xml(rev_tmp)
566
self.revision_store.add(rev_tmp, rev_id)
567
mutter("new revision_id is {%s}" % rev_id)
569
## XXX: Everything up to here can simply be orphaned if we abort
570
## the commit; it will leave junk files behind but that doesn't
573
## TODO: Read back the just-generated changeset, and make sure it
574
## applies and recreates the right state.
576
## TODO: Also calculate and store the inventory SHA1
577
mutter("committing patch r%d" % (self.revno() + 1))
580
self.append_revision(rev_id)
583
note("commited r%d" % self.revno())
586
def append_revision(self, revision_id):
587
mutter("add {%s} to revision-history" % revision_id)
575
588
rev_history = self.revision_history()
576
rev_history.extend(revision_ids)
578
f = AtomicFile(self.controlfilename('revision-history'))
580
for rev_id in rev_history:
587
def get_revision_xml(self, revision_id):
588
"""Return XML file object for revision object."""
589
if not revision_id or not isinstance(revision_id, basestring):
590
raise InvalidRevisionId(revision_id)
595
return self.revision_store[revision_id]
597
raise bzrlib.errors.NoSuchRevision(revision_id)
590
tmprhname = self.controlfilename('revision-history.tmp')
591
rhname = self.controlfilename('revision-history')
593
f = file(tmprhname, 'wt')
594
rev_history.append(revision_id)
595
f.write('\n'.join(rev_history))
599
if sys.platform == 'win32':
601
os.rename(tmprhname, rhname)
602
605
def get_revision(self, revision_id):
603
606
"""Return the Revision object for a named revision"""
604
xml_file = self.get_revision_xml(revision_id)
607
r = unpack_xml(Revision, xml_file)
608
except SyntaxError, e:
609
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
607
r = Revision.read_xml(self.revision_store[revision_id])
613
608
assert r.revision_id == revision_id
617
def get_revision_delta(self, revno):
618
"""Return the delta for one revision.
620
The delta is relative to its mainline predecessor, or the
621
empty tree for revision 1.
623
assert isinstance(revno, int)
624
rh = self.revision_history()
625
if not (1 <= revno <= len(rh)):
626
raise InvalidRevisionNumber(revno)
628
# revno is 1-based; list is 0-based
630
new_tree = self.revision_tree(rh[revno-1])
632
old_tree = EmptyTree()
634
old_tree = self.revision_tree(rh[revno-2])
636
return compare_trees(old_tree, new_tree)
640
def get_revision_sha1(self, revision_id):
641
"""Hash the stored value of a revision, and return it."""
642
# In the future, revision entries will be signed. At that
643
# point, it is probably best *not* to include the signature
644
# in the revision hash. Because that lets you re-sign
645
# the revision, (add signatures/remove signatures) and still
646
# have all hash pointers stay consistent.
647
# But for now, just hash the contents.
648
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
651
612
def get_inventory(self, inventory_id):
652
613
"""Get Inventory object by hash.
654
TODO: Perhaps for this and similar methods, take a revision
615
:todo: Perhaps for this and similar methods, take a revision
655
616
parameter which can be either an integer revno or a
657
from bzrlib.inventory import Inventory
658
from bzrlib.xml import unpack_xml
660
return unpack_xml(Inventory, self.inventory_store[inventory_id])
663
def get_inventory_sha1(self, inventory_id):
664
"""Return the sha1 hash of the inventory entry
666
return sha_file(self.inventory_store[inventory_id])
618
i = Inventory.read_xml(self.inventory_store[inventory_id])
669
622
def get_revision_inventory(self, revision_id):
670
623
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
672
# must be the same as its revision, so this is trivial.
673
624
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
return Inventory(self.get_root_id())
677
return self.get_inventory(revision_id)
627
return self.get_inventory(self.get_revision(revision_id).inventory_id)
680
630
def revision_history(self):
742
642
That is equivalent to the number of revisions committed to
645
>>> b = ScratchBranch()
648
>>> b.commit('no foo')
745
652
return len(self.revision_history())
748
655
def last_patch(self):
749
656
"""Return last patch hash, or None if no history.
658
>>> ScratchBranch().last_patch() == None
751
661
ph = self.revision_history()
758
def missing_revisions(self, other, stop_revision=None):
760
If self and other have not diverged, return a list of the revisions
761
present in other, but missing from self.
763
>>> from bzrlib.commit import commit
764
>>> bzrlib.trace.silent = True
765
>>> br1 = ScratchBranch()
766
>>> br2 = ScratchBranch()
767
>>> br1.missing_revisions(br2)
769
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
770
>>> br1.missing_revisions(br2)
772
>>> br2.missing_revisions(br1)
774
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
775
>>> br1.missing_revisions(br2)
777
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
778
>>> br1.missing_revisions(br2)
780
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
781
>>> br1.missing_revisions(br2)
782
Traceback (most recent call last):
783
DivergedBranches: These branches have diverged.
785
self_history = self.revision_history()
786
self_len = len(self_history)
787
other_history = other.revision_history()
788
other_len = len(other_history)
789
common_index = min(self_len, other_len) -1
790
if common_index >= 0 and \
791
self_history[common_index] != other_history[common_index]:
792
raise DivergedBranches(self, other)
794
if stop_revision is None:
795
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
799
return other_history[self_len:stop_revision]
802
def update_revisions(self, other, stop_revision=None):
803
"""Pull in all new revisions from other branch.
805
>>> from bzrlib.commit import commit
806
>>> bzrlib.trace.silent = True
807
>>> br1 = ScratchBranch(files=['foo', 'bar'])
810
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
811
>>> br2 = ScratchBranch()
812
>>> br2.update_revisions(br1)
816
>>> br2.revision_history()
818
>>> br2.update_revisions(br1)
822
>>> br1.text_store.total_size() == br2.text_store.total_size()
825
from bzrlib.progress import ProgressBar
829
pb.update('comparing histories')
830
revision_ids = self.missing_revisions(other, stop_revision)
832
if hasattr(other.revision_store, "prefetch"):
833
other.revision_store.prefetch(revision_ids)
834
if hasattr(other.inventory_store, "prefetch"):
835
inventory_ids = [other.get_revision(r).inventory_id
836
for r in revision_ids]
837
other.inventory_store.prefetch(inventory_ids)
842
for rev_id in revision_ids:
844
pb.update('fetching revision', i, len(revision_ids))
845
rev = other.get_revision(rev_id)
846
revisions.append(rev)
847
inv = other.get_inventory(str(rev.inventory_id))
848
for key, entry in inv.iter_entries():
849
if entry.text_id is None:
851
if entry.text_id not in self.text_store:
852
needed_texts.add(entry.text_id)
856
count = self.text_store.copy_multi(other.text_store, needed_texts)
857
print "Added %d texts." % count
858
inventory_ids = [ f.inventory_id for f in revisions ]
859
count = self.inventory_store.copy_multi(other.inventory_store,
861
print "Added %d inventories." % count
862
revision_ids = [ f.revision_id for f in revisions]
863
count = self.revision_store.copy_multi(other.revision_store,
865
for revision_id in revision_ids:
866
self.append_revision(revision_id)
867
print "Added %d revisions." % count
870
def commit(self, *args, **kw):
871
from bzrlib.commit import commit
872
commit(self, *args, **kw)
875
def lookup_revision(self, revision):
876
"""Return the revision identifier for a given revision information."""
877
revno, info = self.get_revision_info(revision)
880
def get_revision_info(self, revision):
881
"""Return (revno, revision id) for revision identifier.
883
revision can be an integer, in which case it is assumed to be revno (though
884
this will translate negative values into positive ones)
885
revision can also be a string, in which case it is parsed for something like
886
'date:' or 'revid:' etc.
891
try:# Convert to int if possible
892
revision = int(revision)
895
revs = self.revision_history()
896
if isinstance(revision, int):
899
# Mabye we should do this first, but we don't need it if revision == 0
901
revno = len(revs) + revision + 1
904
elif isinstance(revision, basestring):
905
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
906
if revision.startswith(prefix):
907
revno = func(self, revs, revision)
910
raise BzrError('No namespace registered for string: %r' % revision)
912
if revno is None or revno <= 0 or revno > len(revs):
913
raise BzrError("no such revision %s" % revision)
914
return revno, revs[revno-1]
916
def _namespace_revno(self, revs, revision):
917
"""Lookup a revision by revision number"""
918
assert revision.startswith('revno:')
920
return int(revision[6:])
923
REVISION_NAMESPACES['revno:'] = _namespace_revno
925
def _namespace_revid(self, revs, revision):
926
assert revision.startswith('revid:')
928
return revs.index(revision[6:]) + 1
931
REVISION_NAMESPACES['revid:'] = _namespace_revid
933
def _namespace_last(self, revs, revision):
934
assert revision.startswith('last:')
936
offset = int(revision[5:])
941
raise BzrError('You must supply a positive value for --revision last:XXX')
942
return len(revs) - offset + 1
943
REVISION_NAMESPACES['last:'] = _namespace_last
945
def _namespace_tag(self, revs, revision):
946
assert revision.startswith('tag:')
947
raise BzrError('tag: namespace registered, but not implemented.')
948
REVISION_NAMESPACES['tag:'] = _namespace_tag
950
def _namespace_date(self, revs, revision):
951
assert revision.startswith('date:')
953
# Spec for date revisions:
955
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
956
# it can also start with a '+/-/='. '+' says match the first
957
# entry after the given date. '-' is match the first entry before the date
958
# '=' is match the first entry after, but still on the given date.
960
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
961
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
962
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
963
# May 13th, 2005 at 0:00
965
# So the proper way of saying 'give me all entries for today' is:
966
# -r {date:+today}:{date:-tomorrow}
967
# The default is '=' when not supplied
970
if val[:1] in ('+', '-', '='):
971
match_style = val[:1]
974
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
975
if val.lower() == 'yesterday':
976
dt = today - datetime.timedelta(days=1)
977
elif val.lower() == 'today':
979
elif val.lower() == 'tomorrow':
980
dt = today + datetime.timedelta(days=1)
983
# This should be done outside the function to avoid recompiling it.
984
_date_re = re.compile(
985
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
987
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
989
m = _date_re.match(val)
990
if not m or (not m.group('date') and not m.group('time')):
991
raise BzrError('Invalid revision date %r' % revision)
994
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
996
year, month, day = today.year, today.month, today.day
998
hour = int(m.group('hour'))
999
minute = int(m.group('minute'))
1000
if m.group('second'):
1001
second = int(m.group('second'))
1005
hour, minute, second = 0,0,0
1007
dt = datetime.datetime(year=year, month=month, day=day,
1008
hour=hour, minute=minute, second=second)
1012
if match_style == '-':
1014
elif match_style == '=':
1015
last = dt + datetime.timedelta(days=1)
1018
for i in range(len(revs)-1, -1, -1):
1019
r = self.get_revision(revs[i])
1020
# TODO: Handle timezone.
1021
dt = datetime.datetime.fromtimestamp(r.timestamp)
1022
if first >= dt and (last is None or dt >= last):
1025
for i in range(len(revs)):
1026
r = self.get_revision(revs[i])
1027
# TODO: Handle timezone.
1028
dt = datetime.datetime.fromtimestamp(r.timestamp)
1029
if first <= dt and (last is None or dt <= last):
1031
REVISION_NAMESPACES['date:'] = _namespace_date
668
def lookup_revision(self, revno):
669
"""Return revision hash for revision number."""
674
# list is 0-based; revisions are 1-based
675
return self.revision_history()[revno-1]
677
raise BzrError("no such revision %s" % revno)
1033
680
def revision_tree(self, revision_id):
1034
681
"""Return Tree for a revision on this branch.
1036
683
`revision_id` may be None for the null revision, in which case
1037
684
an `EmptyTree` is returned."""
1038
# TODO: refactor this to use an existing revision object
1039
# so we don't need to read it in twice.
1040
686
if revision_id == None:
1041
687
return EmptyTree()
721
def write_log(self, show_timezone='original', verbose=False):
722
"""Write out human-readable log of commits to this branch
724
:param utc: If true, show dates in universal time, not local time."""
725
## TODO: Option to choose either original, utc or local timezone
728
for p in self.revision_history():
730
print 'revno:', revno
731
## TODO: Show hash if --id is given.
732
##print 'revision-hash:', p
733
rev = self.get_revision(p)
734
print 'committer:', rev.committer
735
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
738
## opportunistic consistency check, same as check_patch_chaining
739
if rev.precursor != precursor:
740
bailout("mismatched precursor!")
744
print ' (no message)'
746
for l in rev.message.split('\n'):
749
if verbose == True and precursor != None:
750
print 'changed files:'
751
tree = self.revision_tree(p)
752
prevtree = self.revision_tree(precursor)
754
for file_state, fid, old_name, new_name, kind in \
755
diff_trees(prevtree, tree, ):
756
if file_state == 'A' or file_state == 'M':
757
show_status(file_state, kind, new_name)
758
elif file_state == 'D':
759
show_status(file_state, kind, old_name)
760
elif file_state == 'R':
761
show_status(file_state, kind,
762
old_name + ' => ' + new_name)
1066
768
def rename_one(self, from_rel, to_rel):
1069
This can change the directory or the filename or both.
769
tree = self.working_tree()
771
if not tree.has_filename(from_rel):
772
bailout("can't rename: old working file %r does not exist" % from_rel)
773
if tree.has_filename(to_rel):
774
bailout("can't rename: new working file %r already exists" % to_rel)
776
file_id = inv.path2id(from_rel)
778
bailout("can't rename: old name %r is not versioned" % from_rel)
780
if inv.path2id(to_rel):
781
bailout("can't rename: new name %r is already versioned" % to_rel)
783
to_dir, to_tail = os.path.split(to_rel)
784
to_dir_id = inv.path2id(to_dir)
785
if to_dir_id == None and to_dir != '':
786
bailout("can't determine destination directory id for %r" % to_dir)
788
mutter("rename_one:")
789
mutter(" file_id {%s}" % file_id)
790
mutter(" from_rel %r" % from_rel)
791
mutter(" to_rel %r" % to_rel)
792
mutter(" to_dir %r" % to_dir)
793
mutter(" to_dir_id {%s}" % to_dir_id)
795
inv.rename(file_id, to_dir_id, to_tail)
797
print "%s => %s" % (from_rel, to_rel)
799
from_abs = self.abspath(from_rel)
800
to_abs = self.abspath(to_rel)
1073
tree = self.working_tree()
1074
inv = tree.inventory
1075
if not tree.has_filename(from_rel):
1076
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1077
if tree.has_filename(to_rel):
1078
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1080
file_id = inv.path2id(from_rel)
1082
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1084
if inv.path2id(to_rel):
1085
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1087
to_dir, to_tail = os.path.split(to_rel)
1088
to_dir_id = inv.path2id(to_dir)
1089
if to_dir_id == None and to_dir != '':
1090
raise BzrError("can't determine destination directory id for %r" % to_dir)
1092
mutter("rename_one:")
1093
mutter(" file_id {%s}" % file_id)
1094
mutter(" from_rel %r" % from_rel)
1095
mutter(" to_rel %r" % to_rel)
1096
mutter(" to_dir %r" % to_dir)
1097
mutter(" to_dir_id {%s}" % to_dir_id)
1099
inv.rename(file_id, to_dir_id, to_tail)
1101
print "%s => %s" % (from_rel, to_rel)
1103
from_abs = self.abspath(from_rel)
1104
to_abs = self.abspath(to_rel)
1106
os.rename(from_abs, to_abs)
1108
raise BzrError("failed to rename %r to %r: %s"
1109
% (from_abs, to_abs, e[1]),
1110
["rename rolled back"])
1112
self._write_inventory(inv)
802
os.rename(from_abs, to_abs)
804
bailout("failed to rename %r to %r: %s"
805
% (from_abs, to_abs, e[1]),
806
["rename rolled back"])
808
self._write_inventory(inv)
1117
812
def move(self, from_paths, to_name):
1125
820
Note that to_name is only the last component of the new name;
1126
821
this doesn't change the directory.
1130
## TODO: Option to move IDs only
1131
assert not isinstance(from_paths, basestring)
1132
tree = self.working_tree()
1133
inv = tree.inventory
1134
to_abs = self.abspath(to_name)
1135
if not isdir(to_abs):
1136
raise BzrError("destination %r is not a directory" % to_abs)
1137
if not tree.has_filename(to_name):
1138
raise BzrError("destination %r not in working directory" % to_abs)
1139
to_dir_id = inv.path2id(to_name)
1140
if to_dir_id == None and to_name != '':
1141
raise BzrError("destination %r is not a versioned directory" % to_name)
1142
to_dir_ie = inv[to_dir_id]
1143
if to_dir_ie.kind not in ('directory', 'root_directory'):
1144
raise BzrError("destination %r is not a directory" % to_abs)
1146
to_idpath = inv.get_idpath(to_dir_id)
1148
for f in from_paths:
1149
if not tree.has_filename(f):
1150
raise BzrError("%r does not exist in working tree" % f)
1151
f_id = inv.path2id(f)
1153
raise BzrError("%r is not versioned" % f)
1154
name_tail = splitpath(f)[-1]
1155
dest_path = appendpath(to_name, name_tail)
1156
if tree.has_filename(dest_path):
1157
raise BzrError("destination %r already exists" % dest_path)
1158
if f_id in to_idpath:
1159
raise BzrError("can't move %r to a subdirectory of itself" % f)
1161
# OK, so there's a race here, it's possible that someone will
1162
# create a file in this interval and then the rename might be
1163
# left half-done. But we should have caught most problems.
1165
for f in from_paths:
1166
name_tail = splitpath(f)[-1]
1167
dest_path = appendpath(to_name, name_tail)
1168
print "%s => %s" % (f, dest_path)
1169
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1171
os.rename(self.abspath(f), self.abspath(dest_path))
1173
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1174
["rename rolled back"])
1176
self._write_inventory(inv)
1181
def revert(self, filenames, old_tree=None, backups=True):
1182
"""Restore selected files to the versions from a previous tree.
1185
If true (default) backups are made of files before
1188
from bzrlib.errors import NotVersionedError, BzrError
1189
from bzrlib.atomicfile import AtomicFile
1190
from bzrlib.osutils import backup_file
823
## TODO: Option to move IDs only
824
assert not isinstance(from_paths, basestring)
825
tree = self.working_tree()
827
to_abs = self.abspath(to_name)
828
if not isdir(to_abs):
829
bailout("destination %r is not a directory" % to_abs)
830
if not tree.has_filename(to_name):
831
bailout("destination %r not in working directory" % to_abs)
832
to_dir_id = inv.path2id(to_name)
833
if to_dir_id == None and to_name != '':
834
bailout("destination %r is not a versioned directory" % to_name)
835
to_dir_ie = inv[to_dir_id]
836
if to_dir_ie.kind not in ('directory', 'root_directory'):
837
bailout("destination %r is not a directory" % to_abs)
839
to_idpath = Set(inv.get_idpath(to_dir_id))
842
if not tree.has_filename(f):
843
bailout("%r does not exist in working tree" % f)
844
f_id = inv.path2id(f)
846
bailout("%r is not versioned" % f)
847
name_tail = splitpath(f)[-1]
848
dest_path = appendpath(to_name, name_tail)
849
if tree.has_filename(dest_path):
850
bailout("destination %r already exists" % dest_path)
851
if f_id in to_idpath:
852
bailout("can't move %r to a subdirectory of itself" % f)
854
# OK, so there's a race here, it's possible that someone will
855
# create a file in this interval and then the rename might be
856
# left half-done. But we should have caught most problems.
859
name_tail = splitpath(f)[-1]
860
dest_path = appendpath(to_name, name_tail)
861
print "%s => %s" % (f, dest_path)
862
inv.rename(inv.path2id(f), to_dir_id, name_tail)
864
os.rename(self.abspath(f), self.abspath(dest_path))
866
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
867
["rename rolled back"])
869
self._write_inventory(inv)
873
def show_status(self, show_all=False):
874
"""Display single-line status for non-ignored working files.
876
The list is show sorted in order by file name.
878
>>> b = ScratchBranch(files=['foo', 'foo~'])
884
>>> b.commit("add foo")
886
>>> os.unlink(b.abspath('foo'))
1192
inv = self.read_working_inventory()
1193
if old_tree is None:
1194
old_tree = self.basis_tree()
1195
old_inv = old_tree.inventory
1198
for fn in filenames:
1199
file_id = inv.path2id(fn)
1201
raise NotVersionedError("not a versioned file", fn)
1202
if not old_inv.has_id(file_id):
1203
raise BzrError("file not present in old tree", fn, file_id)
1204
nids.append((fn, file_id))
1206
# TODO: Rename back if it was previously at a different location
1208
# TODO: If given a directory, restore the entire contents from
1209
# the previous version.
1211
# TODO: Make a backup to a temporary file.
1213
# TODO: If the file previously didn't exist, delete it?
1214
for fn, file_id in nids:
1217
f = AtomicFile(fn, 'wb')
1219
f.write(old_tree.get_file(file_id).read())
1225
def pending_merges(self):
1226
"""Return a list of pending merges.
1228
These are revisions that have been merged into the working
1229
directory but not yet committed.
891
:todo: Get state for single files.
893
:todo: Perhaps show a slash at the end of directory names.
1231
cfn = self.controlfilename('pending-merges')
1232
if not os.path.exists(cfn):
1235
for l in self.controlfile('pending-merges', 'r').readlines():
1236
p.append(l.rstrip('\n'))
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1243
validate_revision_id(revision_id)
1245
p = self.pending_merges()
1246
if revision_id in p:
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1252
def set_pending_merges(self, rev_list):
1253
from bzrlib.atomicfile import AtomicFile
1256
f = AtomicFile(self.controlfilename('pending-merges'))
897
# We have to build everything into a list first so that it can
898
# sorted by name, incorporating all the different sources.
900
# FIXME: Rather than getting things in random order and then sorting,
901
# just step through in order.
903
# Interesting case: the old ID for a file has been removed,
904
# but a new file has been created under that name.
906
old = self.basis_tree()
907
new = self.working_tree()
909
for fs, fid, oldname, newname, kind in diff_trees(old, new):
911
show_status(fs, kind,
912
oldname + ' => ' + newname)
913
elif fs == 'A' or fs == 'M':
914
show_status(fs, kind, newname)
916
show_status(fs, kind, oldname)
919
show_status(fs, kind, newname)
922
show_status(fs, kind, newname)
924
show_status(fs, kind, newname)
926
bailout("wierd file state %r" % ((fs, fid),))
1268
930
class ScratchBranch(Branch):