20
16
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24
######################################################################
28
"""Consistency check of tree."""
30
mutter("checking tree")
32
check_patch_chaining()
33
check_patch_uniqueness()
35
mutter("tree looks OK")
36
## TODO: Check that previous-inventory and previous-manifest
37
## are the same as those stored in the previous changeset.
39
## TODO: Check all patches present in patch directory are
40
## mentioned in patch history; having an orphaned patch only gives
43
## TODO: Check cached data is consistent with data reconstructed
46
## TODO: Check no control files are versioned.
48
## TODO: Check that the before-hash of each file in a later
49
## revision matches the after-hash in the previous revision to
53
def check_inventory():
54
mutter("checking inventory file and ids...")
19
def _update_store_entry(obj, obj_id, branch, store_name, store):
20
"""This is just a meta-function, which handles both revision entries
21
and inventory entries.
23
from bzrlib.trace import mutter
24
import tempfile, os, errno
25
from osutils import rename
26
obj_tmp = tempfile.TemporaryFile()
27
obj.write_xml(obj_tmp)
30
tmpfd, tmp_path = tempfile.mkstemp(prefix=obj_id, suffix='.gz',
31
dir=branch.controlfilename(store_name))
34
orig_obj_path = branch.controlfilename([store_name, obj_id+'.gz'])
35
# Remove the old entry out of the way
36
rename(orig_obj_path, tmp_path)
38
# TODO: We may need to handle the case where the old
39
# entry was not compressed (and thus did not end with .gz)
41
store.add(obj_tmp, obj_id) # Add the new one
42
os.remove(tmp_path) # Remove the old name
43
mutter(' Updated %s entry {%s}' % (store_name, obj_id))
45
# On any exception, restore the old entry
46
rename(tmp_path, orig_obj_path)
49
if os.path.exists(tmp_path):
50
# Unfortunately, the next command might throw
51
# an exception, which will mask a previous exception.
55
def _update_revision_entry(rev, branch):
56
"""After updating the values in a revision, make sure to
57
write out the data, but try to do it in an atomic manner.
59
:param rev: The Revision object to store
60
:param branch: The Branch object where this Revision is to be stored.
62
_update_store_entry(rev, rev.revision_id, branch,
63
'revision-store', branch.revision_store)
65
def _update_inventory_entry(inv, inv_id, branch):
66
"""When an inventory has been modified (such as by adding a unique tree root)
67
this atomically re-generates the file.
69
:param inv: The Inventory
70
:param inv_id: The inventory id for this inventory
71
:param branch: The Branch where this entry will be stored.
73
_update_store_entry(inv, inv_id, branch,
74
'inventory-store', branch.inventory_store)
77
"""Run consistency checks on a branch.
79
TODO: Also check non-mainline revisions mentioned as parents.
81
TODO: Check for extra files in the control directory.
83
from bzrlib.trace import mutter
84
from bzrlib.errors import BzrCheckError
85
from bzrlib.osutils import fingerprint_file
86
from bzrlib.progress import ProgressBar
87
from bzrlib.inventory import ROOT_ID
88
from bzrlib.branch import gen_root_id
93
pb = ProgressBar(show_spinner=True)
96
missing_inventory_sha_cnt = 0
97
missing_revision_sha_cnt = 0
99
history = branch.revision_history()
101
revcount = len(history)
104
# for all texts checked, text_id -> sha1
107
for rev_id in history:
109
pb.update('checking revision', revno, revcount)
110
mutter(' revision {%s}' % rev_id)
111
rev = branch.get_revision(rev_id)
112
if rev.revision_id != rev_id:
113
raise BzrCheckError('wrong internal revision id in revision {%s}'
116
# check the previous history entry is a parent of this entry
118
if last_rev_id is None:
119
raise BzrCheckError("revision {%s} has %d parents, but is the "
120
"start of the branch"
121
% (rev_id, len(rev.parents)))
122
for prr in rev.parents:
123
if prr.revision_id == last_rev_id:
126
raise BzrCheckError("previous revision {%s} not listed among "
128
% (last_rev_id, rev_id))
130
for prr in rev.parents:
131
if prr.revision_sha1 is None:
132
missing_revision_sha_cnt += 1
134
prid = prr.revision_id
135
actual_sha = branch.get_revision_sha1(prid)
136
if prr.revision_sha1 != actual_sha:
137
raise BzrCheckError("mismatched revision sha1 for "
138
"parent {%s} of {%s}: %s vs %s"
140
prr.revision_sha1, actual_sha))
142
raise BzrCheckError("revision {%s} has no parents listed but preceded "
144
% (rev_id, last_rev_id))
146
if rev.inventory_id != rev_id:
147
mismatch_inv_id.append(rev_id)
149
## TODO: Check all the required fields are present on the revision.
151
if rev.inventory_sha1:
152
inv_sha1 = branch.get_inventory_sha1(rev.inventory_id)
153
if inv_sha1 != rev.inventory_sha1:
154
raise BzrCheckError('Inventory sha1 hash doesn\'t match'
155
' value in revision {%s}' % rev_id)
157
missing_inventory_sha_cnt += 1
158
mutter("no inventory_sha1 on revision {%s}" % rev_id)
160
inv = branch.get_inventory(rev.inventory_id)
164
## p('revision %d/%d file ids' % (revno, revcount))
166
if file_id in seen_ids:
167
raise BzrCheckError('duplicated file_id {%s} '
168
'in inventory for revision {%s}'
170
seen_ids[file_id] = True
180
if ie.parent_id != None:
181
if ie.parent_id not in seen_ids:
182
raise BzrCheckError('missing parent {%s} in inventory for revision {%s}'
183
% (ie.parent_id, rev_id))
185
if ie.kind == 'file':
186
if ie.text_id in checked_texts:
187
fp = checked_texts[ie.text_id]
189
if not ie.text_id in branch.text_store:
190
raise BzrCheckError('text {%s} not in text_store' % ie.text_id)
192
tf = branch.text_store[ie.text_id]
193
fp = fingerprint_file(tf)
194
checked_texts[ie.text_id] = fp
196
if ie.text_size != fp['size']:
197
raise BzrCheckError('text {%s} wrong size' % ie.text_id)
198
if ie.text_sha1 != fp['sha1']:
199
raise BzrCheckError('text {%s} wrong sha1' % ie.text_id)
200
elif ie.kind == 'directory':
201
if ie.text_sha1 != None or ie.text_size != None or ie.text_id != None:
202
raise BzrCheckError('directory {%s} has text in revision {%s}'
206
for path, ie in inv.iter_entries():
207
if path in seen_names:
208
raise BzrCheckError('duplicated path %s '
209
'in inventory for revision {%s}'
211
seen_names[path] = True
219
print 'checked %d revisions, %d file texts' % (revcount, len(checked_texts))
58
for l in controlfile('inventory').readlines():
61
bailout("malformed inventory line: " + `l`)
64
if file_id in seen_ids:
65
bailout("duplicated file id " + file_id)
68
if name in seen_names:
69
bailout("duplicated file name in inventory: " + quotefn(name))
72
if is_control_file(name):
73
raise BzrError("control file %s present in inventory" % quotefn(name))
76
def check_patches_exist():
77
"""Check constraint of current version: all patches exist"""
78
mutter("checking all patches are present...")
79
for pid in revision_history():
80
read_patch_header(pid)
83
def check_patch_chaining():
84
"""Check ancestry of patches and history file is consistent"""
85
mutter("checking patch chaining...")
87
for pid in revision_history():
88
log_prev = read_patch_header(pid).precursor
90
bailout("inconsistent precursor links on " + pid)
94
def check_patch_uniqueness():
95
"""Make sure no patch is listed twice in the history.
97
This should be implied by having correct ancestry but I'll check it
99
mutter("checking history for duplicates...")
101
for pid in revision_history():
103
bailout("patch " + pid + " appears twice in history")
221
if missing_inventory_sha_cnt:
222
print '%d revisions are missing inventory_sha1' % missing_inventory_sha_cnt
224
if missing_revision_sha_cnt:
225
print '%d parent links are missing revision_sha1' % missing_revision_sha_cnt
227
if (missing_inventory_sha_cnt
228
or missing_revision_sha_cnt):
229
print ' (use "bzr upgrade" to fix them)'
232
print '%d revisions have mismatched inventory ids:' % len(mismatch_inv_id)
233
for rev_id in mismatch_inv_id:
added
removed
bzrlib/check.py
