lfs-scripts/scripts/main.sh

#!/bin/bash

# Set SU
# ======
command -v sudo > /dev/null
if [ $? -eq 1 ]
then
	SU=doas
else 
	SU=sudo
fi

# Exit on error
# =============
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
}


# Chapter 2
# =========
echo "Chapter 2"
echo "Checking required packages"
bash ./chapter2/2.2-version-check.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter2/2.2-version-check.sh"
fi


# Set LFS variable
# ================
export LFS=/mnt/lfs
echo "LFS is $LFS"

# Chapter 2.5
# ===========
echo "Creating filesystem"
su -c "bash ./chapter2/2.5-create-filesystem.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter2/2.5-create-filesystem.sh"
fi


# Chapter 2.7
# ===========
echo "Mounting filesystem"
su -c "bash ./chapter2/2.7-mount.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter2/2.7-mount.sh"
fi


# Chapter 3
# =========
echo "Chapter 3"
echo "Downloading sources"
bash ./chapter3/3.1-sources.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter3/3.1-sources.sh"
fi


# Chapter 4
# =========
echo "Chapter 4"
echo "Creating direcctories"
su -c "bash ./chapter4/4.2-create-dir.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter4/4.2-create-dir.sh"
fi


# Chapter 4.3
# =========== 
echo "Adding LFS user"
su -c "bash ./chapter4/4.3-add-user.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter4/4.3-add-user.sh"
fi

PWD=$(pwd)

# Chapter 4.4
# ===========
echo "Setting Up the Environment"
su - lfs -c "$PWD/chapter4/4.4-set-up-env.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter4/4.4-set-up-env.sh"
fi

# Chapter 5.2
# ===========
echo "Building binutils"
su - lfs -c "$PWD/chapter5/5.2-binutils.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter5/5.2-binutils.sh"
fi

# Chapter 5.3
# ===========
echo "Building gcc"
su - lfs -c "$PWD/chapter5/5.3-gcc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter5/5.3-gcc.sh"
fi

# Chapter 5.4
# ===========
echo "Building Linux API Headers"
su - lfs -c "$PWD/chapter5/5.4-linux-headers.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter5/5.4-linux-headers.sh"
fi