lfs-scripts/scripts/main.sh

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#!/bin/bash
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# Set SU
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# ======
command -v sudo > /dev/null
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if [ $? -eq 1 ]
then
SU=doas
else
SU=sudo
fi
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# Exit on error
# =============
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exit_status=0
function check_exit_code() {
if [ $? -ne 0 ]
then
exit_status=1
else
exit_status=0
fi
}
function stop_script() {
echo "Script failed in $(pwd)/$1"
exit 1
}
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# Chapter 2
# =========
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echo "Chapter 2"
bash ./chapter2/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
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stop_script "Stopped in chapter 2"
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fi
# Set LFS variable
# ================
export LFS=/mnt/lfs
echo "LFS is $LFS"
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# Chapter 3
# =========
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echo "Chapter 3"
bash ./chapter3/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 3"
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fi
# Chapter 4
# =========
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echo "Chapter 4"
bash ./chapter4/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 4"
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fi
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# Chapter 5
# =========
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echo "Chapter 5"
bash ./chapter5/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 5"
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fi
# Chapter 6
# =========
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echo "Chapter 6"
bash ./chapter6/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 6"
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fi
# Chapter 7
# =========
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echo "Chapter 7"
bash ./chapter7/main-prechroot.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 7"
fi
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# Chapter 7.4
# ===========
echo "Entering the Chroot Environment"
chroot "$LFS" /usr/bin/env -i \
HOME=/root \
TERM="$TERM" \
PS1='(lfs chroot) \u:\w\$ ' \
PATH=/usr/bin:/usr/sbin \
/bin/bash --login
PWD=$(pwd)
export SCRIPT=/sources/lfs-scripts
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# Chapter 7.5
# ===========
bash ./chapter7/main-postchroot.sh
# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 7, post chroot"
fi
# Exit chroot
exit
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 7, post chroot"
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fi
# Unmount virtual filesystems
umount $LFS/dev/pts
umount $LFS/{sys,proc,run,dev}
# Create backup
cd $LFS
tar -cJpf $HOME/lfs-temp-tools-11.2.tar.xz .
# Entering chroot
echo "Preparing virtual kernel filesystems"
su -c "bash $PWD/chapter7/7.3-prepare-virtual-fs.sh"
echo "Entering the Chroot Environment"
chroot "$LFS" /usr/bin/env -i \
HOME=/root \
TERM="$TERM" \
PS1='(lfs chroot) \u:\w\$ ' \
PATH=/usr/bin:/usr/sbin \
/bin/bash --login
export SCRIPT=/sources/lfs-scripts
# Chapter 8
# =========
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echo "Chapter 8"
bash ./chapter8/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 8"
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fi
# Chapter 9
# =========
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echo "Chapter 9"
bash ./chapter9/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 9"
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fi
# Chapter 10
# ==========
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echo "Chapter 10"
bash ./chapter10/main.sh
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# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
stop_script "Stopped in chapter 10"
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fi
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# Chapter 11.1
# ============
echo "Chapter 11"
echo "Finishing up"
echo 11.2 > /etc/lfs-release
cat > /etc/lsb-release << "EOF"
DISTRIB_ID="Linux From Scratch"
DISTRIB_RELEASE="11.2"
DISTRIB_CODENAME="summer2023"
DISTRIB_DESCRIPTION="Linux From Scratch"
EOF
cat > /etc/os-release << "EOF"
NAME="Linux From Scratch"
VERSION="11.2"
ID=lfs
PRETTY_NAME="Linux From Scratch 11.2"
VERSION_CODENAME="summer2023"
EOF
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# Exit chroot
logout
# Unmount filesystems
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su -c "umount -v $LFS/dev/pts"
su -c "umount -v $LFS/dev"
su -c "umount -v $LFS/run"
su -c "umount -v $LFS/proc"
su -c "umount -v $LFS/sys"
su -c "umount -v $LFS"
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