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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
# 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.
import bzrlib.ui
from bzrlib.trace import note, warning
from bzrlib.osutils import rename, sha_string, fingerprint_file, sha_strings
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
branch.lock_read()
try:
self.run()
finally:
branch.unlock()
def run(self):
branch = self.branch
branch.weave_store.enable_cache = True
branch.control_weaves.enable_cache = True
self.checked_text_cnt = 0
self.checked_rev_cnt = 0
self.repeated_text_cnt = 0
self.missing_inventory_sha_cnt = 0
self.missing_revision_cnt = 0
# maps (file-id, version) -> sha1
self.checked_texts = {}
history = branch.revision_history()
revno = 0
revcount = len(history)
last_rev_id = None
self.progress = bzrlib.ui.ui_factory.progress_bar()
for rev_id in history:
self.progress.update('checking revision', revno, revcount)
revno += 1
self.check_one_rev(rev_id, last_rev_id)
last_rev_id = rev_id
self.progress.clear()
self.report_results()
def report_results(self):
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('%d revisions are missing inventory_sha1',
self.missing_inventory_sha_cnt)
if self.missing_revision_cnt:
note('%d revisions are mentioned but not present',
self.missing_revision_cnt)
def check_one_rev(self, rev_id, last_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
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 None:
raise BzrCheckError("revision {%s} has %d parents, but is the "
"start of the branch"
% (rev_id, len(rev.parent_ids)))
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))
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:
self._check_one_entry(rev_id, inv, tree, file_id)
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_one_entry(self, rev_id, inv, tree, file_id):
ie = inv[file_id]
if ie.parent_id != None:
if not inv.has_id(ie.parent_id):
raise BzrCheckError('missing parent {%s} in inventory for revision {%s}'
% (ie.parent_id, rev_id))
if ie.kind == 'file':
text_version = ie.text_version
t = (file_id, text_version)
if t in self.checked_texts:
prev_sha = self.checked_texts[t]
if prev_sha != ie.text_sha1:
raise BzrCheckError('mismatched sha1 on {%s} in {%s}' %
(file_id, rev_id))
else:
self.repeated_text_cnt += 1
return
mutter('check version {%s} of {%s}', rev_id, file_id)
file_lines = tree.get_file_lines(file_id)
self.checked_text_cnt += 1
if ie.text_size != sum(map(len, file_lines)):
raise BzrCheckError('text {%s} wrong size' % ie.text_id)
if ie.text_sha1 != sha_strings(file_lines):
raise BzrCheckError('text {%s} wrong sha1' % ie.text_id)
self.checked_texts[t] = ie.text_sha1
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))
elif ie.kind == 'root_directory':
pass
else:
raise BzrCheckError('unknown entry kind %r in revision {%s}' %
(ie.kind, rev_id))
def check(branch):
"""Run consistency checks on a branch."""
Check(branch)
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