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#!/usr/bin/env python3
import os
from tomllib import loads as toml_loads
from requests import get
from pathlib import Path
from subprocess import run
CWD = os.getcwd()
# dependency modifier
def add_depends(package_dir: str, package_name: str,
depends: list[str]) -> None:
"""Add dependencies to a package
Args:
package_dir (str): a directory where package sources are located
package_name (str): a name of package
depends (list[str]): a list of dependencies to add
"""
depends_list: str = ', '.join(depends)
depends_line: str = f'misc:Depends={depends_list}\n'
substvars_file = Path(f'{package_dir}/debian/{package_name}.substvars')
substvars_file.write_text(depends_line)
# find kernel version and source path
defaults_file: str = Path('../../../data/defaults.toml').read_text()
architecture_file: str = Path('../../../data/architectures/amd64.toml').read_text()
KERNEL_VER: str = toml_loads(defaults_file).get('kernel_version')
KERNEL_FLAVOR: str = toml_loads(defaults_file).get('kernel_flavor')
KERNEL_SRC: str = Path.cwd().as_posix() + '/linux'
# define variables
PACKAGE_NAME: str = 'vyos-drivers-realtek-r8152'
PACKAGE_VERSION: str = '2.18.1'
PACKAGE_DIR: str = f'{PACKAGE_NAME}-{PACKAGE_VERSION}'
SOURCES_ARCHIVE: str = 'r8152-2.18.1.tar.bz2'
SOURCES_URL: str = f'https://packages.vyos.net/source-mirror/r8152-2.18.1.tar.bz2'
# download sources
sources_archive = Path(SOURCES_ARCHIVE)
sources_archive.write_bytes(get(SOURCES_URL).content)
# prepare sources
debmake_cmd: list[str] = [
'debmake', '-e', 'support@vyos.io', '-f', 'VyOS Support', '-p',
PACKAGE_NAME, '-u', PACKAGE_VERSION, '-a', SOURCES_ARCHIVE
]
run(debmake_cmd)
# add kernel to dependencies
add_depends(PACKAGE_DIR, PACKAGE_NAME,
[f'linux-image-{KERNEL_VER}-{KERNEL_FLAVOR}'])
# configure build rules
build_rules_text: str = '''#!/usr/bin/make -f
# config
export KERNELDIR := {KERNEL_SRC}
PACKAGE_BUILD_DIR := debian/{PACKAGE_NAME}
KVER := {KERNEL_VER}-{KERNEL_FLAVOR}
MODULES_DIR := updates/drivers/net/usb
# main packaging script based on dh7 syntax
%:
\tdh $@
override_dh_clean:
\tdh_clean --exclude=debian/{PACKAGE_NAME}.substvars
override_dh_prep:
\tdh_prep --exclude=debian/{PACKAGE_NAME}.substvars
override_dh_auto_clean:
\tmake clean
override_dh_auto_build:
\techo "KERNELDIR=${{KERNELDIR}}"
\techo "CURDIR=${{CURDIR}}"
\tmake -C ${{KERNELDIR}} M=${{CURDIR}} modules
override_dh_auto_install:
\tinstall -D -m 644 r8152.ko ${{PACKAGE_BUILD_DIR}}/lib/modules/${{KVER}}/${{MODULES_DIR}}/r8152.ko
\t${{KERNELDIR}}/../sign-modules.sh ${{PACKAGE_BUILD_DIR}}/lib
\tinstall -D -m 644 50-usb-realtek-net.rules ${{PACKAGE_BUILD_DIR}}/etc/udev/rules.d/50-usb-realtek-net.rules
'''.format(KERNEL_SRC=KERNEL_SRC, PACKAGE_NAME=PACKAGE_NAME, KERNEL_VER=KERNEL_VER, KERNEL_FLAVOR=KERNEL_FLAVOR)
build_rules_path = Path(f'{PACKAGE_DIR}/debian/rules')
build_rules_path.write_text(build_rules_text, encoding='utf-8')
# build a package
debuild_cmd: list[str] = ['debuild']
run(debuild_cmd, cwd=PACKAGE_DIR, check=True)
# Sign generated Kernel modules
clean_cmd: list[str] = ['rm', '-rf', PACKAGE_DIR]
run(clean_cmd, cwd=CWD, check=True)
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