/brz/remove-bazaar

# Copyright (C) 2009-2011 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

from __future__ import absolute_import

from ...controldir import ControlDir

from ...commands import Command, Option

from ... import errors

from ...sixish import viewvalues

from ...bzr.vf_search import PendingAncestryResult

from ...repository import WriteGroup

from ...revision import NULL_REVISION

class cmd_fix_missing_keys_for_stacking(Command):

    """Fix missing keys for stacking.

    This is the fixer script for <https://bugs.launchpad.net/bzr/+bug/354036>.

    """

    hidden = True

    takes_args = ['branch_url']

    takes_options = [

        Option(

            'dry-run',

            help="Show what would be done, but don't actually do anything."),

        ]

    def run(self, branch_url, dry_run=False):

        try:

            bd = ControlDir.open(branch_url)

            b = bd.open_branch(ignore_fallbacks=True)

        except (errors.NotBranchError, errors.InvalidURL):

            raise errors.BzrCommandError(

                "Not a branch or invalid URL: %s" % branch_url)

        b.lock_read()

        try:

            url = b.get_stacked_on_url()

        except (errors.UnstackableRepositoryFormat, errors.NotStacked,

                errors.UnstackableBranchFormat):

            b.unlock()

            raise errors.BzrCommandError("Not stacked: %s" % branch_url)

        raw_r = b.repository.controldir.open_repository()

        if dry_run:

            raw_r.lock_read()

        else:

            b.unlock()

            b = b.controldir.open_branch()

            b.lock_read()

            raw_r.lock_write()

        try:

            revs = raw_r.all_revision_ids()

            rev_parents = raw_r.get_graph().get_parent_map(revs)

            needed = set()

            map(needed.update, viewvalues(rev_parents))

            needed.discard(NULL_REVISION)

            needed = set((rev,) for rev in needed)

            needed = needed - raw_r.inventories.keys()

            if not needed:

                # Nothing to see here.

                return

            self.outf.write("Missing inventories: %r\n" % needed)

            if dry_run:

                return

            assert raw_r._format.network_name() == b.repository._format.network_name()

            stream = b.repository.inventories.get_record_stream(

                needed, 'topological', True)

            with WriteGroup(raw_r):

                raw_r.inventories.insert_record_stream(stream)

        finally:

            raw_r.unlock()

        b.unlock()

        self.outf.write("Fixed: %s\n" % branch_url)

class cmd_mirror_revs_into(Command):

    """Mirror all revs from one repo into another."""

    hidden = True

    takes_args = ['source', 'destination']

    _see_also = ['fetch-all-records']

    def run(self, source, destination):

        bd = ControlDir.open(source)

        source_r = bd.open_branch().repository

        bd = ControlDir.open(destination)

        target_r = bd.open_branch().repository

        with source_r.lock_read(), target_r.lock_write():

            revs = [k[-1] for k in source_r.revisions.keys()]

            target_r.fetch(

                source_r, fetch_spec=PendingAncestryResult(revs, source_r))