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live-bootstrap/sysc.py

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#!/usr/bin/env python3
"""System C"""
# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
import os
import shutil
import getpass
from lib.utils import mount, umount, create_disk, run
from lib.sysgeneral import SysGeneral
# pylint: disable=consider-using-with
class SysC(SysGeneral):
"""
Class responsible for preparing sources for System C.
"""
# pylint: disable=too-many-instance-attributes
def __init__(self, arch, preserve_tmp, tmpdir, chroot):
self.git_dir = os.path.dirname(os.path.join(__file__))
self.arch = arch
self.preserve_tmp = preserve_tmp
self.chroot = chroot
self.sys_dir = os.path.join(self.git_dir, 'sysc')
if tmpdir is None:
self.tmp_dir = os.path.join(self.sys_dir, 'tmp')
else:
self.tmp_dir = os.path.join(tmpdir, 'sysc')
os.mkdir(self.tmp_dir)
self.prepare()
def __del__(self):
if not self.preserve_tmp:
if not self.chroot:
print("Deleting %s" % (self.dev_name))
run('sudo', 'losetup', '-d', self.dev_name)
print("Unmounting tmpfs from %s" % (self.tmp_dir))
umount(self.tmp_dir)
os.rmdir(self.tmp_dir)
def prepare(self):
"""
Prepare directory structure for System C.
"""
self.mount_tmpfs()
if not self.chroot:
# Create + mount a disk for QEMU to use
disk_path = os.path.join(self.tmp_dir, 'disk.img')
self.dev_name = create_disk(disk_path, "msdos", "ext4", '8G')
self.rootfs_dir = os.path.join(self.tmp_dir, 'mnt')
os.mkdir(self.rootfs_dir)
mount(self.dev_name + "p1", self.rootfs_dir, 'ext4')
# Use chown to allow executing user to access it
run('sudo', 'chown', getpass.getuser(), self.dev_name)
run('sudo', 'chown', getpass.getuser(), self.rootfs_dir)
else:
self.rootfs_dir = self.tmp_dir
# Expand to the full base dir
self.base_dir = os.path.join(self.rootfs_dir, 'usr', 'src')
os.makedirs(self.base_dir)
# Misc files/scripts
self.deploy_scripts()
self.deploy_sysglobal_files()
self.get_packages()
# Unmount tmp/mnt if it exists
if not self.chroot:
umount(self.rootfs_dir)
def chroot_transition(self, original):
"""
For chroot, transition sysa -> sysc
See create_sysc in sysb/run.sh
We skip sysb when using chroot, as sysb is entirely irrelevant
to chrooting (only for kernel shenanigans)
Copy directories from /usr (sysa) -> /usr (sysc)
"""
run('sudo', 'chown', '-R', getpass.getuser(), original)
run('sudo', 'chown', '-R', getpass.getuser(), self.rootfs_dir)
shutil.copytree(os.path.join(original, 'usr'),
os.path.join(self.rootfs_dir, 'usr'),
ignore=shutil.ignore_patterns("src"),
dirs_exist_ok=True, symlinks=True)
def deploy_scripts(self):
"""Add the scripts to the chroot"""
src_files = ['run.sh', 'run2.sh']
for file in src_files:
shutil.copy2(os.path.join(self.sys_dir, file),
os.path.join(self.base_dir, file))
# init script
os.mkdir(os.path.join(self.rootfs_dir, 'sbin'))
shutil.copy2(os.path.join(self.sys_dir, 'init'), self.rootfs_dir)
# pylint: disable=line-too-long,too-many-statements
def get_packages(self):
"""Prepare remaining sources"""
# bash 5.1
self.get_file("https://mirrors.kernel.org/gnu/bash/bash-5.1.tar.gz")
# xz 5.0.5
self.get_file("https://tukaani.org/xz/xz-5.0.5.tar.bz2")
# automake 1.11.2
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.11.2.tar.bz2")
# autoconf 2.69
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.69.tar.xz")
# automake 1.15.1
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.15.1.tar.xz")
# tar 1.34
self.get_file(["https://mirrors.kernel.org/gnu/tar/tar-1.34.tar.xz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-30820c.tar.gz"])
# coreutils 8.32
self.get_file(["https://git.savannah.gnu.org/cgit/coreutils.git/snapshot/coreutils-8.32.tar.gz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-d279bc.tar.gz"])
# pkg-config 0.29.2
self.get_file("https://pkgconfig.freedesktop.org/releases/pkg-config-0.29.2.tar.gz")
# make 4.2.1
self.get_file("https://ftp.gnu.org/gnu/make/make-4.2.1.tar.gz")
# gmp 6.2.1
self.get_file("https://mirrors.kernel.org/gnu/gmp/gmp-6.2.1.tar.xz")
# autoconf archive 2021.02.19
self.get_file("https://mirrors.kernel.org/gnu/autoconf-archive/autoconf-archive-2021.02.19.tar.xz")
# mpfr 4.1.0
self.get_file("https://mirrors.kernel.org/gnu/mpfr/mpfr-4.1.0.tar.xz")
# mpc 1.2.1
self.get_file("https://mirrors.kernel.org/gnu/mpc/mpc-1.2.1.tar.gz")
# flex 2.5.33
self.get_file("http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.33.tar.gz")
# bison 2.3
self.get_file(["https://mirrors.kernel.org/gnu/bison/bison-2.3.tar.bz2",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b28236b.tar.gz"])
# bison 3.4.2
self.get_file(["https://mirrors.kernel.org/gnu/bison/bison-3.4.2.tar.xz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-672663a.tar.gz"])
# perl 5.10.5
self.get_file("https://www.cpan.org/src/5.0/perl-5.10.1.tar.bz2")
# dist 3.5-236
# Debian's version is used because upstream is not to be found (dead?)
self.get_file("https://salsa.debian.org/perl-team/interpreter/dist/-/archive/d1de81f/dist-d1de81f.tar.gz",
output="dist-3.5-236.tar.gz")
# perl 5.32.1
self.get_file(["https://www.cpan.org/src/5.0/perl-5.32.1.tar.xz",
"https://salsa.debian.org/perl-team/interpreter/perl/-/archive/5f2dc80/perl-5f2dc80.tar.bz2"])
# automake 1.16.3
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.16.3.tar.xz")
# patch 2.7.6
self.get_file(["https://mirrors.kernel.org/gnu/patch/patch-2.7.6.tar.xz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-e017871.tar.gz"])
# gettext 0.21
self.get_file(["https://mirrors.kernel.org/gnu/gettext/gettext-0.21.tar.xz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-7daa86f.tar.gz"])
# texinfo 6.7
self.get_file(["https://mirrors.kernel.org/gnu/texinfo/texinfo-6.7.tar.xz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b81ec69.tar.gz"])
# zlib 1.2.11
self.get_file("https://www.zlib.net/zlib-1.2.11.tar.xz")
# gcc 4.7.4
self.get_file("https://mirrors.kernel.org/gnu/gcc/gcc-4.7.4/gcc-4.7.4.tar.bz2")
# gperf 3.1
self.get_file("https://mirrors.kernel.org/gnu/gperf/gperf-3.1.tar.gz")
# libunistring 0.9.10
self.get_file(["https://mirrors.kernel.org/gnu/libunistring/libunistring-0.9.10.tar.xz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-52a06cb3.tar.gz"])
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