Complete Yocto mirror with license table for TQMa6UL (2038-compliance)
- 264 license table entries with exact download URLs (224/264 resolved) - Complete sources/ directory with all BitBake recipes - Build configuration: tqma6ul-multi-mba6ulx, spaetzle (musl) - Full traceability for Softwarefreigabeantrag - GCC 13.4.0, Linux 6.6.102, U-Boot 2023.04, musl 1.2.4 - License distribution: GPL-2.0 (24), MIT (23), GPL-2.0+ (18), BSD-3 (16)
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298
sources/poky/scripts/lib/wic/ksparser.py
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298
sources/poky/scripts/lib/wic/ksparser.py
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#!/usr/bin/env python3
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#
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# Copyright (c) 2016 Intel, Inc.
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# DESCRIPTION
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# This module provides parser for kickstart format
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#
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# AUTHORS
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# Ed Bartosh <ed.bartosh> (at] linux.intel.com>
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"""Kickstart parser module."""
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import os
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import shlex
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import logging
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import re
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from argparse import ArgumentParser, ArgumentError, ArgumentTypeError
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from wic.engine import find_canned
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from wic.partition import Partition
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from wic.misc import get_bitbake_var
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logger = logging.getLogger('wic')
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__expand_var_regexp__ = re.compile(r"\${[^{}@\n\t :]+}")
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def expand_line(line):
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while True:
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m = __expand_var_regexp__.search(line)
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if not m:
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return line
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key = m.group()[2:-1]
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val = get_bitbake_var(key)
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if val is None:
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logger.warning("cannot expand variable %s" % key)
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return line
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line = line[:m.start()] + val + line[m.end():]
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class KickStartError(Exception):
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"""Custom exception."""
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pass
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class KickStartParser(ArgumentParser):
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"""
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This class overwrites error method to throw exception
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instead of producing usage message(default argparse behavior).
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"""
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def error(self, message):
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raise ArgumentError(None, message)
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def sizetype(default, size_in_bytes=False):
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def f(arg):
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"""
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Custom type for ArgumentParser
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Converts size string in <num>[S|s|K|k|M|G] format into the integer value
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"""
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try:
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suffix = default
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size = int(arg)
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except ValueError:
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try:
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suffix = arg[-1:]
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size = int(arg[:-1])
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except ValueError:
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raise ArgumentTypeError("Invalid size: %r" % arg)
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if size_in_bytes:
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if suffix == 's' or suffix == 'S':
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return size * 512
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mult = 1024
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else:
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mult = 1
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if suffix == "k" or suffix == "K":
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return size * mult
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if suffix == "M":
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return size * mult * 1024
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if suffix == "G":
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return size * mult * 1024 * 1024
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raise ArgumentTypeError("Invalid size: %r" % arg)
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return f
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def overheadtype(arg):
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"""
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Custom type for ArgumentParser
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Converts overhead string to float and checks if it's bigger than 1.0
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"""
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try:
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result = float(arg)
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except ValueError:
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raise ArgumentTypeError("Invalid value: %r" % arg)
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if result < 1.0:
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raise ArgumentTypeError("Overhead factor should be > 1.0" % arg)
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return result
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def cannedpathtype(arg):
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"""
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Custom type for ArgumentParser
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Tries to find file in the list of canned wks paths
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"""
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scripts_path = os.path.abspath(os.path.dirname(__file__) + '../../..')
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result = find_canned(scripts_path, arg)
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if not result:
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raise ArgumentTypeError("file not found: %s" % arg)
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return result
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def systemidtype(arg):
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"""
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Custom type for ArgumentParser
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Checks if the argument sutisfies system id requirements,
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i.e. if it's one byte long integer > 0
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"""
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error = "Invalid system type: %s. must be hex "\
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"between 0x1 and 0xFF" % arg
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try:
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result = int(arg, 16)
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except ValueError:
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raise ArgumentTypeError(error)
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if result <= 0 or result > 0xff:
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raise ArgumentTypeError(error)
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return arg
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class KickStart():
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"""Kickstart parser implementation."""
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DEFAULT_EXTRA_SPACE = 10*1024
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DEFAULT_OVERHEAD_FACTOR = 1.3
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def __init__(self, confpath):
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self.partitions = []
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self.bootloader = None
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self.lineno = 0
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self.partnum = 0
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parser = KickStartParser()
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subparsers = parser.add_subparsers()
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part = subparsers.add_parser('part')
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part.add_argument('mountpoint', nargs='?')
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part.add_argument('--active', action='store_true')
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part.add_argument('--align', type=int)
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part.add_argument('--offset', type=sizetype("K", True))
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part.add_argument('--exclude-path', nargs='+')
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part.add_argument('--include-path', nargs='+', action='append')
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part.add_argument('--change-directory')
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part.add_argument("--extra-space", type=sizetype("M"))
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part.add_argument('--fsoptions', dest='fsopts')
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part.add_argument('--fspassno', dest='fspassno')
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part.add_argument('--fstype', default='vfat',
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choices=('ext2', 'ext3', 'ext4', 'btrfs',
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'squashfs', 'vfat', 'msdos', 'erofs',
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'swap', 'none'))
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part.add_argument('--mkfs-extraopts', default='')
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part.add_argument('--label')
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part.add_argument('--use-label', action='store_true')
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part.add_argument('--no-table', action='store_true')
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part.add_argument('--ondisk', '--ondrive', dest='disk', default='sda')
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part.add_argument("--overhead-factor", type=overheadtype)
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part.add_argument('--part-name')
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part.add_argument('--part-type')
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part.add_argument('--rootfs-dir')
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part.add_argument('--type', default='primary',
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choices = ('primary', 'logical'))
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part.add_argument('--hidden', action='store_true')
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# --size and --fixed-size cannot be specified together; options
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# ----extra-space and --overhead-factor should also raise a parser
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# --error, but since nesting mutually exclusive groups does not work,
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# ----extra-space/--overhead-factor are handled later
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sizeexcl = part.add_mutually_exclusive_group()
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sizeexcl.add_argument('--size', type=sizetype("M"), default=0)
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sizeexcl.add_argument('--fixed-size', type=sizetype("M"), default=0)
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part.add_argument('--source')
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part.add_argument('--sourceparams')
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part.add_argument('--system-id', type=systemidtype)
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part.add_argument('--use-uuid', action='store_true')
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part.add_argument('--uuid')
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part.add_argument('--fsuuid')
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part.add_argument('--no-fstab-update', action='store_true')
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part.add_argument('--mbr', action='store_true')
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bootloader = subparsers.add_parser('bootloader')
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bootloader.add_argument('--append')
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bootloader.add_argument('--configfile')
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bootloader.add_argument('--ptable', choices=('msdos', 'gpt', 'gpt-hybrid'),
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default='msdos')
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bootloader.add_argument('--timeout', type=int)
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bootloader.add_argument('--source')
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include = subparsers.add_parser('include')
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include.add_argument('path', type=cannedpathtype)
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self._parse(parser, confpath)
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if not self.bootloader:
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logger.warning('bootloader config not specified, using defaults\n')
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self.bootloader = bootloader.parse_args([])
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def _parse(self, parser, confpath):
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"""
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Parse file in .wks format using provided parser.
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"""
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with open(confpath) as conf:
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lineno = 0
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for line in conf:
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line = line.strip()
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lineno += 1
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if line and line[0] != '#':
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line = expand_line(line)
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try:
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line_args = shlex.split(line)
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parsed = parser.parse_args(line_args)
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except ArgumentError as err:
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raise KickStartError('%s:%d: %s' % \
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(confpath, lineno, err))
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if line.startswith('part'):
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# SquashFS does not support filesystem UUID
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if parsed.fstype == 'squashfs':
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if parsed.fsuuid:
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err = "%s:%d: SquashFS does not support UUID" \
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% (confpath, lineno)
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raise KickStartError(err)
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if parsed.label:
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err = "%s:%d: SquashFS does not support LABEL" \
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% (confpath, lineno)
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raise KickStartError(err)
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# erofs does not support filesystem labels
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if parsed.fstype == 'erofs' and parsed.label:
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err = "%s:%d: erofs does not support LABEL" % (confpath, lineno)
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raise KickStartError(err)
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if parsed.fstype == 'msdos' or parsed.fstype == 'vfat':
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if parsed.fsuuid:
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if parsed.fsuuid.upper().startswith('0X'):
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if len(parsed.fsuuid) > 10:
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err = "%s:%d: fsuuid %s given in wks kickstart file " \
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"exceeds the length limit for %s filesystem. " \
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"It should be in the form of a 32 bit hexadecimal" \
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"number (for example, 0xABCD1234)." \
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% (confpath, lineno, parsed.fsuuid, parsed.fstype)
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raise KickStartError(err)
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elif len(parsed.fsuuid) > 8:
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err = "%s:%d: fsuuid %s given in wks kickstart file " \
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"exceeds the length limit for %s filesystem. " \
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"It should be in the form of a 32 bit hexadecimal" \
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"number (for example, 0xABCD1234)." \
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% (confpath, lineno, parsed.fsuuid, parsed.fstype)
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raise KickStartError(err)
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if parsed.use_label and not parsed.label:
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err = "%s:%d: Must set the label with --label" \
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% (confpath, lineno)
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raise KickStartError(err)
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# using ArgumentParser one cannot easily tell if option
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# was passed as argument, if said option has a default
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# value; --overhead-factor/--extra-space cannot be used
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# with --fixed-size, so at least detect when these were
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# passed with non-0 values ...
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if parsed.fixed_size:
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if parsed.overhead_factor or parsed.extra_space:
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err = "%s:%d: arguments --overhead-factor and --extra-space not "\
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"allowed with argument --fixed-size" \
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% (confpath, lineno)
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raise KickStartError(err)
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else:
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# ... and provide defaults if not using
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# --fixed-size iff given option was not used
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# (again, one cannot tell if option was passed but
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# with value equal to 0)
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if '--overhead-factor' not in line_args:
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parsed.overhead_factor = self.DEFAULT_OVERHEAD_FACTOR
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if '--extra-space' not in line_args:
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parsed.extra_space = self.DEFAULT_EXTRA_SPACE
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self.partnum += 1
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self.partitions.append(Partition(parsed, self.partnum))
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elif line.startswith('include'):
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self._parse(parser, parsed.path)
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elif line.startswith('bootloader'):
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if not self.bootloader:
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self.bootloader = parsed
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# Concatenate the strings set in APPEND
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append_var = get_bitbake_var("APPEND")
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if append_var:
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self.bootloader.append = ' '.join(filter(None, \
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(self.bootloader.append, append_var)))
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else:
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err = "%s:%d: more than one bootloader specified" \
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% (confpath, lineno)
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raise KickStartError(err)
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