# 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/>
#
from typing import List
# project
from kiwi.filesystem.base import FileSystemBase
from kiwi.command import Command
from kiwi.defaults import Defaults
[docs]
class FileSystemSquashFs(FileSystemBase):
"""
**Implements creation of squashfs filesystem**
"""
[docs]
def create_on_file(
self, filename, label: str = None, exclude: List[str] = None
):
"""
Create squashfs filesystem from data tree
There is no label which could be set for squashfs
thus this parameter is not used
:param string filename: result file path name
:param string label: unused
:param list exclude: list of exclude dirs/files
"""
self.filename = filename
exclude_options = []
compression = self.custom_args.get('compression')
if compression is None or compression == 'xz':
if '-comp' not in self.custom_args['create_options']:
self.custom_args['create_options'].append('-comp')
self.custom_args['create_options'].append('xz')
if '-Xbcj' not in self.custom_args['create_options']:
host_architecture = Defaults.get_platform_name()
if Defaults.is_x86_arch(host_architecture):
self.custom_args['create_options'].append('-Xbcj')
self.custom_args['create_options'].append('x86')
if 'ppc' in host_architecture:
self.custom_args['create_options'].append('-Xbcj')
self.custom_args['create_options'].append('powerpc')
elif compression != 'uncompressed':
if '-comp' not in self.custom_args['create_options']:
self.custom_args['create_options'].append('-comp')
self.custom_args['create_options'].append(compression)
else:
for flag in ['-noI', '-noD', '-noF', '-noX']:
if flag not in self.custom_args['create_options']:
self.custom_args['create_options'].append(flag)
if exclude:
exclude_options.extend(['-wildcards', '-e'])
for item in exclude:
exclude_options.append(item)
Command.run(
[
'mksquashfs', self.root_dir, self.filename,
'-noappend', '-b', '1M'
] + self.custom_args['create_options'] + exclude_options
)