/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

from sets import Set

import bzrlib

from trace import mutter

from errors import bailout

def check(branch):

    mutter('checking tree %r' % branch.base)

    mutter('checking revision history')

    last_ptr = None

    checked_revs = Set()

    for rid in branch.revision_history():

        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)

    mutter('branch %s is OK' % branch.base)

def check_inventory(branch, inv):

    seen_ids = Set()

    seen_names = Set()

    for path, ie in inv.iter_entries():

        if path in seen_names:

            bailout('duplicated path %r in inventory' % path)

        seen_names.add(path)

        if ie.kind == 'file':

            if not ie.text_id in branch.text_store:

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