#

# Copyright (C) 2015  Red Hat, Inc.

#

# This copyrighted material is made available to anyone wishing to use,

# modify, copy, or redistribute it subject to the terms and conditions of

# the GNU General Public License v.2, or (at your option) any later version.

# This program is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY expressed or implied, including the implied warranties 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.  Any Red Hat trademarks that are incorporated in the

# source code or documentation are not subject to the GNU General Public

# License and may only be used or replicated with the express permission of

# Red Hat, Inc.

#

from __future__ import absolute_import

from __future__ import unicode_literals

from dnf.db.history import SwdbInterface

from dnfpluginscore import _, logger

import dnf

import dnf.cli

import os

class Migrate(dnf.Plugin):

    name = "migrate"

    def __init__(self, base, cli):

        super(Migrate, self).__init__(base, cli)

        self.base = base

        self.cli = cli

        if self.cli is not None:

            self.cli.register_command(MigrateCommand)

class MigrateCommand(dnf.cli.Command):

    aliases = ("migrate",)

    summary = _("migrate yum's history, group and yumdb data to dnf")

    def configure(self):

        demands = self.cli.demands

        demands.available_repos = True

        demands.sack_activation = True

        demands.root_user = True

    def run(self):

        logger.info(_("Migrating history data..."))

        input_dir = os.path.join(self.base.conf.installroot, '/var/lib/yum/')

        persist_dir = os.path.join(self.base.conf.installroot, self.base.conf.persistdir)

        swdb = SwdbInterface(persist_dir)

        swdb.transform(input_dir)