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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: Check ancestries are correct for every revision: includes
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# every committed so far, and in a reasonable order.
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# TODO: Also check non-mainline revisions mentioned as parents.
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# TODO: Check for extra files in the control directory.
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# TODO: Check revision, inventory and entry objects have all
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from bzrlib.trace import note, warning
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from bzrlib.osutils import rename, sha_string, fingerprint_file
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from bzrlib.trace import mutter
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from bzrlib.errors import BzrCheckError, NoSuchRevision
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from bzrlib.inventory import ROOT_ID
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from bzrlib.branch import gen_root_id
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def __init__(self, branch):
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self.checked_text_cnt = 0
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self.checked_rev_cnt = 0
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self.repeated_text_cnt = 0
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self.missing_parent_links = {}
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self.missing_inventory_sha_cnt = 0
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self.missing_revision_cnt = 0
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# maps (file-id, version) -> sha1
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self.checked_texts = {}
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self.branch.lock_read()
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self.history = self.branch.revision_history()
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if not len(self.history):
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self.planned_revisions = self.branch.get_ancestry(self.history[-1])
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self.planned_revisions.remove(None)
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######################################################################
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"""Consistency check of tree."""
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mutter("checking tree")
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check_patch_chaining()
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check_patch_uniqueness()
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mutter("tree looks OK")
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## TODO: Check that previous-inventory and previous-manifest
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## are the same as those stored in the previous changeset.
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## TODO: Check all patches present in patch directory are
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## mentioned in patch history; having an orphaned patch only gives
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## TODO: Check cached data is consistent with data reconstructed
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## TODO: Check no control files are versioned.
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## TODO: Check that the before-hash of each file in a later
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## revision matches the after-hash in the previous revision to
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def check_inventory():
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mutter("checking inventory file and ids...")
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self.progress = bzrlib.ui.ui_factory.progress_bar()
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while revno < len(self.planned_revisions):
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rev_id = self.planned_revisions[revno]
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self.progress.update('checking revision', revno,
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len(self.planned_revisions))
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self.check_one_rev(rev_id)
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def report_results(self, verbose):
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note('checked branch %s format %d',
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self.branch._branch_format)
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note('%6d revisions', self.checked_rev_cnt)
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note('%6d unique file texts', self.checked_text_cnt)
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note('%6d repeated file texts', self.repeated_text_cnt)
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if self.missing_inventory_sha_cnt:
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note('%6d revisions are missing inventory_sha1',
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self.missing_inventory_sha_cnt)
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if self.missing_revision_cnt:
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note('%6d revisions are mentioned but not present',
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self.missing_revision_cnt)
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note('%6d ghost revisions', len(self.ghosts))
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for ghost in self.ghosts:
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if len(self.missing_parent_links):
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note('%6d revisions missing parents in ancestry',
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len(self.missing_parent_links))
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for link, linkers in self.missing_parent_links.items():
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note(' %s should be in the ancestry for:', link)
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for linker in linkers:
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note(' * %s', linker)
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def check_one_rev(self, rev_id):
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"""Check one revision.
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rev_id - the one to check
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last_rev_id - the previous one on the mainline, if any.
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# mutter(' revision {%s}' % rev_id)
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rev_history_position = self.history.index(rev_id)
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rev_history_position = None
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if rev_history_position:
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rev = branch.get_revision(rev_id)
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if rev_history_position > 0:
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last_rev_id = self.history[rev_history_position - 1]
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rev = branch.get_revision(rev_id)
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if rev.revision_id != rev_id:
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raise BzrCheckError('wrong internal revision id in revision {%s}'
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# check the previous history entry is a parent of this entry
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if last_rev_id is None and rev_history_position is not None:
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# what if the start is a ghost ? i.e. conceptually the
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raise BzrCheckError("revision {%s} has %d parents, but is the "
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"start of the branch"
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% (rev_id, len(rev.parent_ids)))
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if last_rev_id is not None:
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for parent_id in rev.parent_ids:
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if parent_id == last_rev_id:
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raise BzrCheckError("previous revision {%s} not listed among "
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% (last_rev_id, rev_id))
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for parent in rev.parent_ids:
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if not parent in self.planned_revisions:
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missing_links = self.missing_parent_links.get(parent, [])
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missing_links.append(rev_id)
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self.missing_parent_links[parent] = missing_links
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# list based so slow, TODO have a planned_revisions list and set.
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if self.branch.has_revision(parent):
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missing_ancestry = self.branch.get_ancestry(parent)
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for missing in missing_ancestry:
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if (missing is not None
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and missing not in self.planned_revisions):
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self.planned_revisions.append(missing)
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self.ghosts.append(rev_id)
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raise BzrCheckError("revision {%s} has no parents listed "
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"but preceded by {%s}"
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% (rev_id, last_rev_id))
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if rev.inventory_sha1:
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inv_sha1 = branch.get_inventory_sha1(rev_id)
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if inv_sha1 != rev.inventory_sha1:
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raise BzrCheckError('Inventory sha1 hash doesn\'t match'
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' value in revision {%s}' % rev_id)
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missing_inventory_sha_cnt += 1
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mutter("no inventory_sha1 on revision {%s}" % rev_id)
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self._check_revision_tree(rev_id)
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self.checked_rev_cnt += 1
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def _check_revision_tree(self, rev_id):
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tree = self.branch.revision_tree(rev_id)
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if file_id in seen_ids:
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raise BzrCheckError('duplicated file_id {%s} '
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'in inventory for revision {%s}'
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seen_ids[file_id] = True
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ie.check(self, rev_id, inv, tree)
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for path, ie in inv.iter_entries():
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if path in seen_names:
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raise BzrCheckError('duplicated path %s '
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'in inventory for revision {%s}'
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seen_names[path] = True
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def check(branch, verbose):
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"""Run consistency checks on a branch."""
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checker = Check(branch)
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checker.report_results(verbose)
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for l in controlfile('inventory').readlines():
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bailout("malformed inventory line: " + `l`)
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if file_id in seen_ids:
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bailout("duplicated file id " + file_id)
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if name in seen_names:
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bailout("duplicated file name in inventory: " + quotefn(name))
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if is_control_file(name):
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raise BzrError("control file %s present in inventory" % quotefn(name))
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def check_patches_exist():
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"""Check constraint of current version: all patches exist"""
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mutter("checking all patches are present...")
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for pid in revision_history():
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read_patch_header(pid)
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def check_patch_chaining():
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"""Check ancestry of patches and history file is consistent"""
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mutter("checking patch chaining...")
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for pid in revision_history():
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log_prev = read_patch_header(pid).precursor
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bailout("inconsistent precursor links on " + pid)
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def check_patch_uniqueness():
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"""Make sure no patch is listed twice in the history.
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This should be implied by having correct ancestry but I'll check it
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mutter("checking history for duplicates...")
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for pid in revision_history():
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bailout("patch " + pid + " appears twice in history")
added
removed
bzrlib/check.py
