1
# Copyright (C) 2005 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
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"
39
## TODO: Maybe include checks for common corruption of newlines, etc?
43
def find_branch_root(f=None):
44
"""Find the branch root enclosing f, or pwd.
46
It is not necessary that f exists.
48
Basically we keep looking up until we find the control directory or
52
elif hasattr(os.path, 'realpath'):
53
f = os.path.realpath(f)
55
f = os.path.abspath(f)
60
if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
62
head, tail = os.path.split(f)
64
# reached the root, whatever that may be
65
raise BzrError('%r is not in a branch' % orig_f)
70
######################################################################
74
"""Branch holding a history of revisions.
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.
89
def __init__(self, base, init=False, find_root=True):
90
"""Create new branch object at a particular location.
92
base -- Base directory for the branch.
94
init -- If True, create new control files in a previously
95
unversioned directory. If False, the branch must already
98
find_root -- If true and init is false, find the root of the
99
existing branch containing base.
101
In the test suite, creation of new trees is tested using the
102
`ScratchBranch` class.
105
self.base = os.path.realpath(base)
108
self.base = find_branch_root(base)
110
self.base = os.path.realpath(base)
111
if not isdir(self.controlfilename('.')):
112
bailout("not a bzr branch: %s" % quotefn(base),
113
['use "bzr init" to initialize a new working tree',
114
'current bzr can only operate from top-of-tree'])
117
self.text_store = ImmutableStore(self.controlfilename('text-store'))
118
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
119
self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
123
return '%s(%r)' % (self.__class__.__name__, self.base)
129
def abspath(self, name):
130
"""Return absolute filename for something in the branch"""
131
return os.path.join(self.base, name)
134
def relpath(self, path):
135
"""Return path relative to this branch of something inside it.
137
Raises an error if path is not in this branch."""
138
rp = os.path.realpath(path)
140
if not rp.startswith(self.base):
141
bailout("path %r is not within branch %r" % (rp, self.base))
142
rp = rp[len(self.base):]
143
rp = rp.lstrip(os.sep)
147
def controlfilename(self, file_or_path):
148
"""Return location relative to branch."""
149
if isinstance(file_or_path, types.StringTypes):
150
file_or_path = [file_or_path]
151
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
154
def controlfile(self, file_or_path, mode='r'):
155
"""Open a control file for this branch.
157
There are two classes of file in the control directory: text
158
and binary. binary files are untranslated byte streams. Text
159
control files are stored with Unix newlines and in UTF-8, even
160
if the platform or locale defaults are different.
163
fn = self.controlfilename(file_or_path)
165
if mode == 'rb' or mode == 'wb':
166
return file(fn, mode)
167
elif mode == 'r' or mode == 'w':
168
# open in binary mode anyhow so there's no newline translation
170
return codecs.open(fn, mode + 'b', 'utf-8')
172
raise BzrError("invalid controlfile mode %r" % mode)
176
def _make_control(self):
177
os.mkdir(self.controlfilename([]))
178
self.controlfile('README', 'w').write(
179
"This is a Bazaar-NG control directory.\n"
180
"Do not change any files in this directory.")
181
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
182
for d in ('text-store', 'inventory-store', 'revision-store'):
183
os.mkdir(self.controlfilename(d))
184
for f in ('revision-history', 'merged-patches',
185
'pending-merged-patches', 'branch-name'):
186
self.controlfile(f, 'w').write('')
187
mutter('created control directory in ' + self.base)
188
Inventory().write_xml(self.controlfile('inventory','w'))
191
def _check_format(self):
192
"""Check this branch format is supported.
194
The current tool only supports the current unstable format.
196
In the future, we might need different in-memory Branch
197
classes to support downlevel branches. But not yet.
199
# This ignores newlines so that we can open branches created
200
# on Windows from Linux and so on. I think it might be better
201
# to always make all internal files in unix format.
202
fmt = self.controlfile('branch-format', 'r').read()
203
fmt.replace('\r\n', '')
204
if fmt != BZR_BRANCH_FORMAT:
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'])
210
def read_working_inventory(self):
211
"""Read the working inventory."""
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))
221
def _write_inventory(self, inv):
222
"""Update the working inventory.
224
That is to say, the inventory describing changes underway, that
225
will be committed to the next revision.
227
## TODO: factor out to atomicfile? is rename safe on windows?
228
## TODO: Maybe some kind of clean/dirty marker on inventory?
229
tmpfname = self.controlfilename('inventory.tmp')
230
tmpf = file(tmpfname, 'wb')
233
inv_fname = self.controlfilename('inventory')
234
if sys.platform == 'win32':
236
os.rename(tmpfname, inv_fname)
237
mutter('wrote working inventory')
240
inventory = property(read_working_inventory, _write_inventory, None,
241
"""Inventory for the working copy.""")
244
def add(self, files, verbose=False):
245
"""Make files versioned.
247
Note that the command line normally calls smart_add instead.
249
This puts the files in the Added state, so that they will be
250
recorded by the next commit.
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', [])
287
# TODO: Re-adding a file that is removed in the working copy
288
# should probably put it back with the previous ID.
289
if isinstance(files, types.StringTypes):
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)
324
def print_file(self, file, revno):
325
"""Print `file` to stdout."""
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)
334
def remove(self, files, verbose=False):
335
"""Mark nominated files for removal from the inventory.
337
This does not remove their text. This does not run on
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
366
removing may be useful and the user can just use use rm, and
367
is the opposite of add. Removing it is consistent with most
368
other tools. Maybe an option.
370
## TODO: Normalize names
371
## TODO: Remove nested loops; better scalability
373
if isinstance(files, types.StringTypes):
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))
394
self._write_inventory(inv)
398
"""Return all unknown files.
400
These are files in the working directory that are not versioned or
401
control files or ignored.
403
>>> b = ScratchBranch(files=['foo', 'foo~'])
404
>>> list(b.unknowns())
407
>>> list(b.unknowns())
410
>>> list(b.unknowns())
413
return self.working_tree().unknowns()
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
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)
588
rev_history = self.revision_history()
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)
605
def get_revision(self, revision_id):
606
"""Return the Revision object for a named revision"""
607
r = Revision.read_xml(self.revision_store[revision_id])
608
assert r.revision_id == revision_id
612
def get_inventory(self, inventory_id):
613
"""Get Inventory object by hash.
615
TODO: Perhaps for this and similar methods, take a revision
616
parameter which can be either an integer revno or a
618
i = Inventory.read_xml(self.inventory_store[inventory_id])
622
def get_revision_inventory(self, revision_id):
623
"""Return inventory of a past revision."""
624
if revision_id == None:
627
return self.get_inventory(self.get_revision(revision_id).inventory_id)
630
def revision_history(self):
631
"""Return sequence of revision hashes on to this branch.
633
>>> ScratchBranch().revision_history()
636
return [chomp(l) for l in self.controlfile('revision-history', 'r').readlines()]
640
"""Return current revision number for this branch.
642
That is equivalent to the number of revisions committed to
645
>>> b = ScratchBranch()
648
>>> b.commit('no foo')
652
return len(self.revision_history())
655
def last_patch(self):
656
"""Return last patch hash, or None if no history.
658
>>> ScratchBranch().last_patch() == None
661
ph = self.revision_history()
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)
680
def revision_tree(self, revision_id):
681
"""Return Tree for a revision on this branch.
683
`revision_id` may be None for the null revision, in which case
684
an `EmptyTree` is returned."""
686
if revision_id == None:
689
inv = self.get_revision_inventory(revision_id)
690
return RevisionTree(self.text_store, inv)
693
def working_tree(self):
694
"""Return a `Tree` for the working copy."""
695
return WorkingTree(self.base, self.read_working_inventory())
698
def basis_tree(self):
699
"""Return `Tree` object for last revision.
701
If there are no revisions yet, return an `EmptyTree`.
703
>>> b = ScratchBranch(files=['foo'])
704
>>> b.basis_tree().has_filename('foo')
706
>>> b.working_tree().has_filename('foo')
709
>>> b.commit('add foo')
710
>>> b.basis_tree().has_filename('foo')
713
r = self.last_patch()
717
return RevisionTree(self.text_store, self.get_revision_inventory(r))
721
def write_log(self, show_timezone='original', verbose=False):
722
"""Write out human-readable log of commits to this branch
724
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)
768
def rename_one(self, from_rel, to_rel):
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)
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)
812
def move(self, from_paths, to_name):
815
to_name must exist as a versioned directory.
817
If to_name exists and is a directory, the files are moved into
818
it, keeping their old names. If it is a directory,
820
Note that to_name is only the last component of the new name;
821
this doesn't change the directory.
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'))
891
TODO: Get state for single files.
893
TODO: Perhaps show a slash at the end of directory names.
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("weird file state %r" % ((fs, fid),))
930
class ScratchBranch(Branch):
931
"""Special test class: a branch that cleans up after itself.
933
>>> b = ScratchBranch()
941
def __init__(self, files=[], dirs=[]):
942
"""Make a test branch.
944
This creates a temporary directory and runs init-tree in it.
946
If any files are listed, they are created in the working copy.
948
Branch.__init__(self, tempfile.mkdtemp(), init=True)
950
os.mkdir(self.abspath(d))
953
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
957
"""Destroy the test branch, removing the scratch directory."""
959
shutil.rmtree(self.base)
961
# Work around for shutil.rmtree failing on Windows when
962
# readonly files are encountered
963
for root, dirs, files in os.walk(self.base, topdown=False):
965
os.chmod(os.path.join(root, name), 0700)
966
shutil.rmtree(self.base)
970
######################################################################
974
def is_control_file(filename):
975
## FIXME: better check
976
filename = os.path.normpath(filename)
977
while filename != '':
978
head, tail = os.path.split(filename)
979
## mutter('check %r for control file' % ((head, tail), ))
980
if tail == bzrlib.BZRDIR:
989
def _gen_revision_id(when):
990
"""Return new revision-id."""
991
s = '%s-%s-' % (user_email(), compact_date(when))
992
s += hexlify(rand_bytes(8))
996
def gen_file_id(name):
997
"""Return new file id.
999
This should probably generate proper UUIDs, but for the moment we
1000
cope with just randomness because running uuidgen every time is
1002
idx = name.rfind('/')
1004
name = name[idx+1 : ]
1006
name = name.lstrip('.')
1008
s = hexlify(rand_bytes(8))
1009
return '-'.join((name, compact_date(time.time()), s))