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# 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
def check(branch):
"""Run consistency checks on a branch.
TODO: Also check non-mailine revisions mentioned as parents.
"""
from bzrlib.trace import mutter
from bzrlib.errors import BzrCheckError
from bzrlib.osutils import fingerprint_file
from bzrlib.progress import ProgressBar
branch.lock_read()
try:
pb = ProgressBar(show_spinner=True)
last_rev_id = None
missing_inventory_sha_cnt = 0
missing_revision_sha_cnt = 0
history = branch.revision_history()
revno = 0
revcount = len(history)
# for all texts checked, text_id -> sha1
checked_texts = {}
for rev_id in history:
revno += 1
pb.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
actual_sha = branch.get_revision_sha1(prid)
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))
## 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:
pb.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))
pb.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()
pb.clear()
print 'checked %d revisions, %d file texts' % (revcount, len(checked_texts))
if missing_inventory_sha_cnt:
print '%d revisions are missing inventory_sha1' % missing_inventory_sha_cnt
if missing_revision_sha_cnt:
print '%d parent links are missing revision_sha1' % missing_revision_sha_cnt
if (missing_inventory_sha_cnt
or missing_revision_sha_cnt):
print ' (use "bzr upgrade" to fix them)'
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