# Copyright (c) 2015 SUSE Linux GmbH. All rights reserved.
#
# This file is part of kiwi.
#
# kiwi 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 3 of the License, or
# (at your option) any later version.
#
# kiwi 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 kiwi. If not, see <http://www.gnu.org/licenses/>
#
"""
usage: kiwi-ng system update -h | --help
kiwi-ng system update --root=<directory>
[--add-package=<name>...]
[--delete-package=<name>...]
kiwi-ng system update help
commands:
update
update root system with latest repository updates
and optionally allow to add or delete packages. the options
to add or delete packages can be used multiple times
update help
show manual page for update command
options:
--add-package=<name>
install the given package name
--delete-package=<name>
delete the given package name
--root=<directory>
path to the root directory of the image
"""
import os
import logging
# project
from kiwi.tasks.base import CliTask
from kiwi.privileges import Privileges
from kiwi.help import Help
from kiwi.system.prepare import SystemPrepare
log = logging.getLogger('kiwi')
[docs]
class SystemUpdateTask(CliTask):
"""
Implements update and maintenance of root systems
Attributes
* :attr:`manual`
Instance of Help
"""
[docs]
def process(self):
"""
Update root system with latest repository updates
and optionally allow to add or delete packages. the options
to add or delete packages can be used multiple times
"""
self.manual = Help()
if self._help():
return
Privileges.check_for_root_permissions()
abs_root_path = os.path.abspath(self.command_args['--root'])
self.load_xml_description(
abs_root_path, self.global_args['--kiwi-file']
)
package_requests = False
if self.command_args['--add-package']:
package_requests = True
if self.command_args['--delete-package']:
package_requests = True
log.info('Updating system')
with SystemPrepare(
self.xml_state,
abs_root_path,
allow_existing=True
) as system:
with system.setup_repositories(
target_arch=self.global_args['--target-arch']
) as manager:
if not package_requests:
system.update_system(manager)
else:
if self.command_args['--add-package']:
system.install_packages(
manager, self.command_args['--add-package']
)
if self.command_args['--delete-package']:
system.delete_packages(
manager, self.command_args['--delete-package']
)
def _help(self):
if self.command_args['help']:
self.manual.show('kiwi::system::update')
else:
return False
return self.manual