1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
|
# Copyright (C) 2005, 2006 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# TODO: Check ancestries are correct for every revision: includes
# every committed so far, and in a reasonable order.
# TODO: Also check non-mainline revisions mentioned as parents.
# TODO: Check for extra files in the control directory.
# TODO: Check revision, inventory and entry objects have all
# required fields.
# TODO: Get every revision in the revision-store even if they're not
# referenced by history and make sure they're all valid.
# TODO: Perhaps have a way to record errors other than by raising exceptions;
# would perhaps be enough to accumulate exception objects in a list without
# raising them. If there's more than one exception it'd be good to see them
# all.
from bzrlib import errors, osutils
from bzrlib import repository as _mod_repository
from bzrlib import revision
from bzrlib.branch import Branch
from bzrlib.bzrdir import BzrDir
from bzrlib.errors import BzrCheckError
from bzrlib.repository import Repository
from bzrlib.symbol_versioning import deprecated_function, deprecated_in
from bzrlib.trace import log_error, note
import bzrlib.ui
from bzrlib.workingtree import WorkingTree
class Check(object):
"""Check a repository"""
# The Check object interacts with InventoryEntry.check, etc.
def __init__(self, repository):
self.repository = repository
self.checked_text_cnt = 0
self.checked_rev_cnt = 0
self.ghosts = []
self.repeated_text_cnt = 0
self.missing_parent_links = {}
self.missing_inventory_sha_cnt = 0
self.missing_revision_cnt = 0
# maps (file-id, version) -> sha1; used by InventoryFile._check
self.checked_texts = {}
self.checked_weaves = set()
self.unreferenced_versions = set()
self.inconsistent_parents = []
def check(self):
self.repository.lock_read()
self.progress = bzrlib.ui.ui_factory.nested_progress_bar()
try:
self.progress.update('retrieving inventory', 0, 2)
# do not put in init, as it should be done with progess,
# and inside the lock.
self.inventory_weave = self.repository.inventories
self.progress.update('checking revision graph', 1)
self.check_revision_graph()
self.plan_revisions()
revno = 0
while revno < len(self.planned_revisions):
rev_id = self.planned_revisions[revno]
self.progress.update('checking revision', revno,
len(self.planned_revisions))
revno += 1
self.check_one_rev(rev_id)
# check_weaves is done after the revision scan so that
# revision index is known to be valid.
self.check_weaves()
finally:
self.progress.finished()
self.repository.unlock()
def check_revision_graph(self):
if not self.repository.revision_graph_can_have_wrong_parents():
# This check is not necessary.
self.revs_with_bad_parents_in_index = None
return
bad_revisions = self.repository._find_inconsistent_revision_parents()
self.revs_with_bad_parents_in_index = list(bad_revisions)
def plan_revisions(self):
repository = self.repository
self.planned_revisions = repository.all_revision_ids()
self.progress.clear()
inventoried = set(key[-1] for key in self.inventory_weave.keys())
awol = set(self.planned_revisions) - inventoried
if len(awol) > 0:
raise BzrCheckError('Stored revisions missing from inventory'
'{%s}' % ','.join([f for f in awol]))
def report_results(self, verbose):
note('checked repository %s format %s',
self.repository.bzrdir.root_transport,
self.repository._format)
note('%6d revisions', self.checked_rev_cnt)
note('%6d file-ids', len(self.checked_weaves))
note('%6d unique file texts', self.checked_text_cnt)
note('%6d repeated file texts', self.repeated_text_cnt)
note('%6d unreferenced text versions',
len(self.unreferenced_versions))
if self.missing_inventory_sha_cnt:
note('%6d revisions are missing inventory_sha1',
self.missing_inventory_sha_cnt)
if self.missing_revision_cnt:
note('%6d revisions are mentioned but not present',
self.missing_revision_cnt)
if len(self.ghosts):
note('%6d ghost revisions', len(self.ghosts))
if verbose:
for ghost in self.ghosts:
note(' %s', ghost)
if len(self.missing_parent_links):
note('%6d revisions missing parents in ancestry',
len(self.missing_parent_links))
if verbose:
for link, linkers in self.missing_parent_links.items():
note(' %s should be in the ancestry for:', link)
for linker in linkers:
note(' * %s', linker)
if verbose:
for file_id, revision_id in self.unreferenced_versions:
log_error('unreferenced version: {%s} in %s', revision_id,
file_id)
if len(self.inconsistent_parents):
note('%6d inconsistent parents', len(self.inconsistent_parents))
if verbose:
for info in self.inconsistent_parents:
revision_id, file_id, found_parents, correct_parents = info
note(' * %s version %s has parents %r '
'but should have %r'
% (file_id, revision_id, found_parents,
correct_parents))
if self.revs_with_bad_parents_in_index:
note('%6d revisions have incorrect parents in the revision index',
len(self.revs_with_bad_parents_in_index))
if verbose:
for item in self.revs_with_bad_parents_in_index:
revision_id, index_parents, actual_parents = item
note(
' %s has wrong parents in index: '
'%r should be %r',
revision_id, index_parents, actual_parents)
def check_one_rev(self, rev_id):
"""Check one revision.
rev_id - the one to check
"""
rev = self.repository.get_revision(rev_id)
if rev.revision_id != rev_id:
raise BzrCheckError('wrong internal revision id in revision {%s}'
% rev_id)
for parent in rev.parent_ids:
if not parent in self.planned_revisions:
missing_links = self.missing_parent_links.get(parent, [])
missing_links.append(rev_id)
self.missing_parent_links[parent] = missing_links
# list based so somewhat slow,
# TODO have a planned_revisions list and set.
if self.repository.has_revision(parent):
missing_ancestry = self.repository.get_ancestry(parent)
for missing in missing_ancestry:
if (missing is not None
and missing not in self.planned_revisions):
self.planned_revisions.append(missing)
else:
self.ghosts.append(rev_id)
if rev.inventory_sha1:
inv_sha1 = self.repository.get_inventory_sha1(rev_id)
if inv_sha1 != rev.inventory_sha1:
raise BzrCheckError('Inventory sha1 hash doesn\'t match'
' value in revision {%s}' % rev_id)
self._check_revision_tree(rev_id)
self.checked_rev_cnt += 1
def check_weaves(self):
"""Check all the weaves we can get our hands on.
"""
weave_ids = []
self.progress.update('checking inventory', 0, 2)
self.inventory_weave.check(progress_bar=self.progress)
self.progress.update('checking text storage', 1, 2)
self.repository.texts.check(progress_bar=self.progress)
weave_checker = self.repository._get_versioned_file_checker()
result = weave_checker.check_file_version_parents(
self.repository.texts, progress_bar=self.progress)
self.checked_weaves = weave_checker.file_ids
bad_parents, unused_versions = result
bad_parents = bad_parents.items()
for text_key, (stored_parents, correct_parents) in bad_parents:
# XXX not ready for id join/split operations.
weave_id = text_key[0]
revision_id = text_key[-1]
weave_parents = tuple([parent[-1] for parent in stored_parents])
correct_parents = tuple([parent[-1] for parent in correct_parents])
self.inconsistent_parents.append(
(revision_id, weave_id, weave_parents, correct_parents))
self.unreferenced_versions.update(unused_versions)
def _check_revision_tree(self, rev_id):
tree = self.repository.revision_tree(rev_id)
inv = tree.inventory
seen_ids = {}
for file_id in inv:
if file_id in seen_ids:
raise BzrCheckError('duplicated file_id {%s} '
'in inventory for revision {%s}'
% (file_id, rev_id))
seen_ids[file_id] = True
for file_id in inv:
ie = inv[file_id]
ie.check(self, rev_id, inv, tree)
seen_names = {}
for path, ie in inv.iter_entries():
if path in seen_names:
raise BzrCheckError('duplicated path %s '
'in inventory for revision {%s}'
% (path, rev_id))
seen_names[path] = True
@deprecated_function(deprecated_in((1,6,0)))
def check(branch, verbose):
"""Run consistency checks on a branch.
Results are reported through logging.
Deprecated in 1.6. Please use check_branch instead.
:raise BzrCheckError: if there's a consistency error.
"""
check_branch(branch, verbose)
def check_branch(branch, verbose):
"""Run consistency checks on a branch.
Results are reported through logging.
:raise BzrCheckError: if there's a consistency error.
"""
branch.lock_read()
try:
branch_result = branch.check()
finally:
branch.unlock()
branch_result.report_results(verbose)
def check_dwim(path, verbose, do_branch=False, do_repo=False, do_tree=False):
try:
tree, branch, repo, relpath = \
BzrDir.open_containing_tree_branch_or_repository(path)
except errors.NotBranchError:
tree = branch = repo = None
if do_tree:
if tree is not None:
note("Checking working tree at '%s'."
% (tree.bzrdir.root_transport.base,))
tree._check()
else:
log_error("No working tree found at specified location.")
if branch is not None:
# We have a branch
if repo is None:
# The branch is in a shared repository
repo = branch.repository
branches = [branch]
elif repo is not None:
branches = repo.find_branches(using=True)
if repo is not None:
repo.lock_read()
try:
if do_repo:
note("Checking repository at '%s'."
% (repo.bzrdir.root_transport.base,))
result = repo.check()
result.report_results(verbose)
if do_branch:
if branches == []:
log_error("No branch found at specified location.")
else:
for branch in branches:
note("Checking branch at '%s'."
% (branch.bzrdir.root_transport.base,))
check_branch(branch, verbose)
finally:
repo.unlock()
else:
if do_branch:
log_error("No branch found at specified location.")
if do_repo:
log_error("No repository found at specified location.")
|