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
|
# 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
# 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.
import bzrlib.ui
from bzrlib.trace import note, warning
from bzrlib.osutils import rename, sha_string, fingerprint_file
from bzrlib.trace import mutter
from bzrlib.errors import BzrCheckError, NoSuchRevision
from bzrlib.inventory import ROOT_ID
from bzrlib.branch import gen_root_id
class Check(object):
"""Check a branch"""
def __init__(self, branch):
self.branch = branch
self.inventory_weave = branch._get_inventory_weave()
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
self.checked_texts = {}
def check(self):
self.branch.lock_read()
self.progress = bzrlib.ui.ui_factory.progress_bar()
try:
self.history = self.branch.revision_history()
if not len(self.history):
# nothing to see here
return
if not self.branch.revision_store.listable():
raise BzrCheckError("Branch must be local")
self.planned_revisions = set(self.branch.revision_store)
inventoried = set(self.inventory_weave.names())
awol = self.planned_revisions - inventoried
if len(awol) > 0:
raise BzrCheckError('Stored revisions missing from inventory'
'{%s}' % ','.join([f for f in awol]))
for revno, rev_id in enumerate(self.planned_revisions):
self.progress.update('checking revision', revno+1,
len(self.planned_revisions))
self.check_one_rev(rev_id)
finally:
self.progress.clear()
self.branch.unlock()
def report_results(self, verbose):
note('checked branch %s format %d',
self.branch.base,
self.branch._branch_format)
note('%6d revisions', self.checked_rev_cnt)
note('%6d unique file texts', self.checked_text_cnt)
note('%6d repeated file texts', self.repeated_text_cnt)
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)
def check_one_rev(self, rev_id):
"""Check one revision.
rev_id - the one to check
last_rev_id - the previous one on the mainline, if any.
"""
# mutter(' revision {%s}', rev_id)
branch = self.branch
try:
rev_history_position = self.history.index(rev_id)
except ValueError:
rev_history_position = None
last_rev_id = None
if rev_history_position:
rev = branch.get_revision(rev_id)
if rev_history_position > 0:
last_rev_id = self.history[rev_history_position - 1]
else:
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.parent_ids:
if last_rev_id is not None:
for parent_id in rev.parent_ids:
if parent_id == last_rev_id:
break
else:
raise BzrCheckError("previous revision {%s} not listed among "
"parents of {%s}"
% (last_rev_id, 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 slow, TODO have a planned_revisions list and set.
if self.branch.has_revision(parent):
missing_ancestry = self.branch.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)
elif last_rev_id:
raise BzrCheckError("revision {%s} has no parents listed "
"but preceded by {%s}"
% (rev_id, last_rev_id))
if rev.inventory_sha1:
inv_sha1 = branch.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)
else:
missing_inventory_sha_cnt += 1
mutter("no inventory_sha1 on revision {%s}", rev_id)
self._check_revision_tree(rev_id)
self.checked_rev_cnt += 1
def _check_revision_tree(self, rev_id):
tree = self.branch.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
def check(branch, verbose):
"""Run consistency checks on a branch."""
checker = Check(branch)
checker.check()
checker.report_results(verbose)
|