/brz/remove-bazaar

# 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

######################################################################

# consistency checks

import sys

from sets import Set

import bzrlib

from trace import mutter

from errors import bailout

def check(branch, progress=True):

    out = sys.stdout

    if progress:

        def p(m):

            mutter('checking ' + m)

            out.write('\rchecking: %-50.50s' % m)

            out.flush()

    else:

        def p(m):

            mutter('checking ' + m)

    p('history of %r' % branch.base)

    last_ptr = None

    checked_revs = Set()

    history = branch.revision_history()

    revno = 0

    revcount = len(history)

    for rid in history:

        revno += 1

        p('revision %d/%d' % (revno, revcount))

        mutter('    revision {%s}' % rid)

        rev = branch.get_revision(rid)

        if rev.revision_id != rid:

            bailout('wrong internal revision id in revision {%s}' % rid)

        if rev.precursor != last_ptr:

            bailout('mismatched precursor in revision {%s}' % rid)

        last_ptr = rid

        if rid in checked_revs:

            bailout('repeated revision {%s}' % rid)

        checked_revs.add(rid)

        ## TODO: Check all the required fields are present on the revision.

        inv = branch.get_inventory(rev.inventory_id)

        check_inventory(branch, inv, rid)

    p('done')

    if progress:

        print 

def check_inventory(branch, inv, revid):

    seen_ids = Set()

    seen_names = Set()

    for file_id in inv:

        if file_id in seen_ids:

            bailout('duplicated file_id {%s} in inventory for revision {%s}'

                    % (file_id, revid))

        seen_ids.add(file_id)

    for file_id in inv:

        ie = inv[file_id]

        if ie.parent_id != None:

            if ie.parent_id not in seen_ids:

                bailout('missing parent {%s} in inventory for revision {%s}'

                        % (ie.parent_id, revid))

        if ie.kind == 'file':

            if not ie.text_id in branch.text_store:

                bailout('text {%s} not in text_store' % ie.text_id)

    for path, ie in inv.iter_entries():

        if path in seen_names:

            bailout('duplicated path %r in inventory for revision {%s}' % (path, revid))

        seen_names.add(path)