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
|
# Copyright (C) 2004, 2005 by Martin Pool
# Copyright (C) 2005 by 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
import bzrlib.ui
from bzrlib.trace import note, warning
def _update_store_entry(obj, obj_id, branch, store_name, store):
"""This is just a meta-function, which handles both revision entries
and inventory entries.
"""
from bzrlib.trace import mutter
import tempfile, os, errno
from osutils import rename
obj_tmp = tempfile.TemporaryFile()
obj.write_xml(obj_tmp)
obj_tmp.seek(0)
tmpfd, tmp_path = tempfile.mkstemp(prefix=obj_id, suffix='.gz',
dir=branch.controlfilename(store_name))
os.close(tmpfd)
try:
orig_obj_path = branch.controlfilename([store_name, obj_id+'.gz'])
# Remove the old entry out of the way
rename(orig_obj_path, tmp_path)
try:
# TODO: We may need to handle the case where the old
# entry was not compressed (and thus did not end with .gz)
store.add(obj_tmp, obj_id) # Add the new one
os.remove(tmp_path) # Remove the old name
mutter(' Updated %s entry {%s}' % (store_name, obj_id))
except:
# On any exception, restore the old entry
rename(tmp_path, orig_obj_path)
raise
finally:
if os.path.exists(tmp_path):
# Unfortunately, the next command might throw
# an exception, which will mask a previous exception.
os.remove(tmp_path)
obj_tmp.close()
def _update_revision_entry(rev, branch):
"""After updating the values in a revision, make sure to
write out the data, but try to do it in an atomic manner.
:param rev: The Revision object to store
:param branch: The Branch object where this Revision is to be stored.
"""
_update_store_entry(rev, rev.revision_id, branch,
'revision-store', branch.revision_store)
def _update_inventory_entry(inv, inv_id, branch):
"""When an inventory has been modified (such as by adding a unique tree root)
this atomically re-generates the file.
:param inv: The Inventory
:param inv_id: The inventory id for this inventory
:param branch: The Branch where this entry will be stored.
"""
_update_store_entry(inv, inv_id, branch,
'inventory-store', branch.inventory_store)
def check(branch):
"""Run consistency checks on a branch.
TODO: Also check non-mainline revisions mentioned as parents.
TODO: Check for extra files in the control directory.
"""
from bzrlib.trace import mutter
from bzrlib.errors import BzrCheckError, NoSuchRevision
from bzrlib.osutils import fingerprint_file
from bzrlib.inventory import ROOT_ID
from bzrlib.branch import gen_root_id
branch.lock_read()
try:
last_rev_id = None
missing_inventory_sha_cnt = 0
missing_revision_sha_cnt = 0
missing_revision_cnt = 0
history = branch.revision_history()
revno = 0
revcount = len(history)
mismatch_inv_id = []
# for all texts checked, text_id -> sha1
checked_texts = {}
progress = bzrlib.ui.ui_factory.progress_bar()
for rev_id in history:
revno += 1
progress.update('checking revision', revno, revcount)
# mutter(' revision {%s}' % rev_id)
rev = branch.get_revision(rev_id)
if rev.revision_id != rev_id:
raise BzrCheckError('wrong internal revision id in revision {%s}'
% rev_id)
# check the previous history entry is a parent of this entry
if rev.parents:
if last_rev_id is None:
raise BzrCheckError("revision {%s} has %d parents, but is the "
"start of the branch"
% (rev_id, len(rev.parents)))
for prr in rev.parents:
if prr.revision_id == last_rev_id:
break
else:
raise BzrCheckError("previous revision {%s} not listed among "
"parents of {%s}"
% (last_rev_id, rev_id))
for prr in rev.parents:
if prr.revision_sha1 is None:
missing_revision_sha_cnt += 1
continue
prid = prr.revision_id
try:
actual_sha = branch.get_revision_sha1(prid)
except NoSuchRevision:
missing_revision_cnt += 1
mutter("parent {%s} of {%s} not present in store",
prid, rev_id)
continue
if prr.revision_sha1 != actual_sha:
raise BzrCheckError("mismatched revision sha1 for "
"parent {%s} of {%s}: %s vs %s"
% (prid, rev_id,
prr.revision_sha1, actual_sha))
elif last_rev_id:
raise BzrCheckError("revision {%s} has no parents listed but preceded "
"by {%s}"
% (rev_id, last_rev_id))
if rev.inventory_id != rev_id:
mismatch_inv_id.append(rev_id)
## TODO: Check all the required fields are present on the revision.
if rev.inventory_sha1:
inv_sha1 = branch.get_inventory_sha1(rev.inventory_id)
if inv_sha1 != rev.inventory_sha1:
raise BzrCheckError('Inventory sha1 hash doesn\'t match'
' value in revision {%s}' % rev_id)
else:
missing_inventory_sha_cnt += 1
mutter("no inventory_sha1 on revision {%s}" % rev_id)
inv = branch.get_inventory(rev.inventory_id)
seen_ids = {}
seen_names = {}
## p('revision %d/%d file ids' % (revno, revcount))
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
i = 0
for file_id in inv:
i += 1
if i & 31 == 0:
progress.tick()
ie = inv[file_id]
if ie.parent_id != None:
if ie.parent_id not in seen_ids:
raise BzrCheckError('missing parent {%s} in inventory for revision {%s}'
% (ie.parent_id, rev_id))
if ie.kind == 'file':
if ie.text_id in checked_texts:
fp = checked_texts[ie.text_id]
else:
if not ie.text_id in branch.text_store:
raise BzrCheckError('text {%s} not in text_store' % ie.text_id)
tf = branch.text_store[ie.text_id]
fp = fingerprint_file(tf)
checked_texts[ie.text_id] = fp
if ie.text_size != fp['size']:
raise BzrCheckError('text {%s} wrong size' % ie.text_id)
if ie.text_sha1 != fp['sha1']:
raise BzrCheckError('text {%s} wrong sha1' % ie.text_id)
elif ie.kind == 'directory':
if ie.text_sha1 != None or ie.text_size != None or ie.text_id != None:
raise BzrCheckError('directory {%s} has text in revision {%s}'
% (file_id, rev_id))
progress.tick()
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
last_rev_id = rev_id
finally:
branch.unlock()
progress.clear()
note('checked %d revisions, %d file texts' % (revcount, len(checked_texts)))
if missing_inventory_sha_cnt:
note('%d revisions are missing inventory_sha1' % missing_inventory_sha_cnt)
if missing_revision_sha_cnt:
note('%d parent links are missing revision_sha1' % missing_revision_sha_cnt)
if missing_revision_cnt:
note('%d revisions are mentioned but not present' % missing_revision_cnt)
# stub this out for now because the main bzr branch has references
# to revisions that aren't present in the store -- mbp 20050804
# if (missing_inventory_sha_cnt
# or missing_revision_sha_cnt):
# print ' (use "bzr upgrade" to fix them)'
if mismatch_inv_id:
warning('%d revisions have mismatched inventory ids:' % len(mismatch_inv_id))
for rev_id in mismatch_inv_id:
warning(' %s', rev_id)
|