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...")
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")
21
def check(branch, update=False):
22
"""Run consistency checks on a branch.
24
If update is True, for revisions missing certain information
25
(right now this is inventory_sha1 and revision_sha1),
26
update them to include the appropriate values.
30
from bzrlib.trace import mutter
31
from bzrlib.errors import BzrCheckError
32
from bzrlib.osutils import fingerprint_file
33
from bzrlib.progress import ProgressBar
44
pb = ProgressBar(show_spinner=True)
48
missing_inventory_sha_cnt = 0
50
history = branch.revision_history()
52
revcount = len(history)
56
updated_revisions = []
58
# Set to True in the case that the previous revision entry
59
# was updated, since this will affect future revision entries
60
updated_previous_revision = False
64
pb.update('checking revision', revno, revcount)
65
mutter(' revision {%s}' % rid)
66
rev = branch.get_revision(rid)
67
if rev.revision_id != rid:
68
raise BzrCheckError('wrong internal revision id in revision {%s}' % rid)
69
if rev.precursor != last_ptr:
70
raise BzrCheckError('mismatched precursor in revision {%s}' % rid)
72
if rid in checked_revs:
73
raise BzrCheckError('repeated revision {%s}' % rid)
74
checked_revs[rid] = True
76
## TODO: Check all the required fields are present on the revision.
79
if rev.inventory_sha1:
80
#mutter(' checking inventory hash {%s}' % rev.inventory_sha1)
81
inv_sha1 = branch.get_inventory_sha1(rev.inventory_id)
82
if inv_sha1 != rev.inventory_sha1:
83
raise BzrCheckError('Inventory sha1 hash doesn\'t match'
84
' value in revision {%s}' % rid)
86
inv_sha1 = branch.get_inventory_sha1(rev.inventory_id)
87
rev.inventory_sha1 = inv_sha1
90
missing_inventory_sha_cnt += 1
91
mutter("no inventory_sha1 on revision {%s}" % rid)
94
if rev.precursor_sha1:
95
precursor_sha1 = branch.get_revision_sha1(rev.precursor)
96
if updated_previous_revision:
97
# we don't expect the hashes to match, because
98
# we had to modify the previous revision_history entry.
99
rev.precursor_sha1 = precursor_sha1
102
#mutter(' checking precursor hash {%s}' % rev.precursor_sha1)
103
if rev.precursor_sha1 != precursor_sha1:
104
raise BzrCheckError('Precursor sha1 hash doesn\'t match'
105
' value in revision {%s}' % rid)
107
precursor_sha1 = branch.get_revision_sha1(rev.precursor)
108
rev.precursor_sha1 = precursor_sha1
112
updated_previous_revision = True
113
# We had to update this revision entries hashes
114
# Now we need to write out a new value
115
# This is a little bit invasive, since we are *rewriting* a
116
# revision entry. I'm not supremely happy about it, but
117
# there should be *some* way of making old entries have
118
# the full meta information.
119
import tempfile, os, errno
120
rev_tmp = tempfile.TemporaryFile()
121
rev.write_xml(rev_tmp)
124
tmpfd, tmp_path = tempfile.mkstemp(prefix=rid, suffix='.gz',
125
dir=branch.controlfilename('revision-store'))
127
def special_rename(p1, p2):
128
if sys.platform == 'win32':
132
if e.errno != e.ENOENT:
137
# TODO: We may need to handle the case where the old revision
138
# entry was not compressed (and thus did not end with .gz)
140
# Remove the old revision entry out of the way
141
rev_path = branch.controlfilename(['revision-store', rid+'.gz'])
142
special_rename(rev_path, tmp_path)
143
branch.revision_store.add(rev_tmp, rid) # Add the new one
144
os.remove(tmp_path) # Remove the old name
145
mutter(' Updated revision entry {%s}' % rid)
147
# On any exception, restore the old entry
148
special_rename(tmp_path, rev_path)
151
updated_revisions.append(rid)
153
updated_previous_revision = False
155
inv = branch.get_inventory(rev.inventory_id)
159
## p('revision %d/%d file ids' % (revno, revcount))
161
if file_id in seen_ids:
162
raise BzrCheckError('duplicated file_id {%s} '
163
'in inventory for revision {%s}'
165
seen_ids[file_id] = True
176
if ie.parent_id != None:
177
if ie.parent_id not in seen_ids:
178
raise BzrCheckError('missing parent {%s} in inventory for revision {%s}'
179
% (ie.parent_id, rid))
181
if ie.kind == 'file':
182
if ie.text_id in checked_texts:
183
fp = checked_texts[ie.text_id]
185
if not ie.text_id in branch.text_store:
186
raise BzrCheckError('text {%s} not in text_store' % ie.text_id)
188
tf = branch.text_store[ie.text_id]
189
fp = fingerprint_file(tf)
190
checked_texts[ie.text_id] = fp
192
if ie.text_size != fp['size']:
193
raise BzrCheckError('text {%s} wrong size' % ie.text_id)
194
if ie.text_sha1 != fp['sha1']:
195
raise BzrCheckError('text {%s} wrong sha1' % ie.text_id)
196
elif ie.kind == 'directory':
197
if ie.text_sha1 != None or ie.text_size != None or ie.text_id != None:
198
raise BzrCheckError('directory {%s} has text in revision {%s}'
202
for path, ie in inv.iter_entries():
203
if path in seen_names:
204
raise BzrCheckError('duplicated path %r '
205
'in inventory for revision {%s}'
207
seen_names[path] = True
214
print 'checked %d revisions, %d file texts' % (revcount, len(checked_texts))
215
if updated_revisions:
216
print '%d revisions updated to current format' % len(updated_revisions)
217
if missing_inventory_sha_cnt:
218
print '%d revisions are missing inventory_sha1' % missing_inventory_sha_cnt
219
print ' (use bzr check --update to fix them)'
added
removed
bzrlib/check.py
