/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

def check(branch):

    """Run consistency checks on a branch.

    """

    import sys

    from bzrlib.trace import mutter

    from bzrlib.errors import BzrCheckError

    from bzrlib.osutils import fingerprint_file

    from bzrlib.progress import ProgressBar

    out = sys.stdout

    pb = ProgressBar(show_spinner=True)

    last_ptr = None

    checked_revs = {}

    history = branch.revision_history()

    revno = 0

    revcount = len(history)

    checked_texts = {}

    for rid in history:

        revno += 1

        pb.update('checking revision', revno, revcount)

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

        rev = branch.get_revision(rid)

        if rev.revision_id != rid:

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

        if rev.precursor != last_ptr:

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

        last_ptr = rid

        if rid in checked_revs:

            raise BzrCheckError('repeated revision {%s}' % rid)

        checked_revs[rid] = True

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

        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, rid))

            seen_ids[file_id] = True

        i = 0

        len_inv = len(inv)

        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, rid))

            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, rid))

        pb.tick()

        for path, ie in inv.iter_entries():

            if path in seen_names:

                raise BzrCheckError('duplicated path %r '

                                    'in inventory for revision {%s}'

                                    % (path, revid))

            seen_names[path] = True

    pb.clear()

    print 'checked %d revisions, %d file texts' % (revcount, len(checked_texts))