#!/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
<<<<<<< HEAD

PWD=$(pwd)

# Chapter 4.4
# ===========
echo "Setting Up the Environment"
su - lfs -c "bash $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 "Chapter 5"
echo "Building binutils"
su - lfs -c "bash $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 "bash $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 "bash $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

# Chapter 5.5
# ===========
echo "Building glibc"
su - lfs -c "bash $PWD/chapter5/5.5-glibc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter5/5.5-glibc.sh"
fi

# Chapter 5.6
# ===========
echo "Building listdc++"
su - lfs -c "bash $PWD/chapter5/5.6-libstdc++.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter5/5.6-libstdc++.sh"
fi

# Chapter 6.2
# ===========
echo "Chapter 6"
echo "Building m4"
su - lfs -c "bash $PWD/chapter6/6.2-m4.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.2-m4.sh"
fi

# Chapter 6.3
# ===========
echo "Building ncurses"
su - lfs -c "bash $PWD/chapter6/6.3-ncurses.sh"

# Exit onn error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.3-ncurses.sh"
fi

# Chapter 6.4
# ===========
echo "Building bash"
su - lfs -c "bash $PWD/chapter6/6.4-bash.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.4-bash.sh"
fi

# Chapter 6.5
# ===========
echo "Building coreutils"
su - lfs -c "bash $PWD/chapter6/6.5-coreutils.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.5-ncurses.sh"
fi

# Chapter 6.6
# ===========
echo "Building diffutils"
su - lfs -c "bash $PWD/chapter6/6.6-diffutils.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.6-diffutils.sh"
fi

# Chapter 6.7
# ===========
echo "Building file"
su - lfs -c "bash $PWD/chapter6/6.7-file.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.7-file.sh"
fi

# Chapter 6.8
# ===========
echo "Building findutils"
su - lfs -c "bash $PWD/chapter6/6.8-findutils.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.8-findutils.sh"
fi

# Chapter 6.9
# ===========
echo "Building gawk"
su - lfs -c "bash $PWD/chapter6/6.9-gawk.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.9-gawk.sh"
fi

# Chapter 6.10
# ============
echo "Building grep"
su - lfs -c "bash $PWD/chapter6/6.10-grep.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.10-grep.sh"
fi

# Chapter 6.11
# ============
echo "Building gzip"
su - lfs -c "bash $PWD/chapter6/6.11-gzip.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.11-gzip.sh"
fi

# Chapter 6.12
# ============
echo "Building make"
su - lfs -c "bash $PWD/chapter6/6.12-make.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.12-make.sh"
fi

# Chapter 6.13
# ============
echo "Building patch"
su - lfs -c "bash $PWD/chapter6/6.13-patch.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.13-patch.sh"
fi

# Chapter 6.14
# ============
echo "Building sed"
su - lfs -c "bash $PWD/chapter6/6.14-sed.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.14-sed.sh"
fi

# Chapter 6.15
# ============
echo "Building tar"
su - lfs -c "bash $PWD/chapter6/6.15-tar.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.15-tar.sh"
fi

# Chapter 6.16
# ============
echo "Building xz"
su - lfs -c "bash $PWD/chapter6/6.16-xz.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.16-xz.sh"
fi

# Chapter 6.17
# ============
echo "Building binutils pass 2"
su - lfs -c "bash $PWD/chapter6/6.17-binutils.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.17-binutils.sh"
fi

# Chapter 6.18
# ============
echo "Building gcc pass 2"
su - lfs -c "bash $PWD/chapter6/6.18-gcc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter6/6.18-gcc.sh"
fi

# Chapter 7.2
# ===========
echo "Chapter 7"
echo "Changing ownership to root"
su -c "bash $PWD/chapter7/7.2-changing-ownership.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.2-changing-ownership.sh"
fi

# Chapter 7.3
# ===========
echo "Preparing virtual kernel filesystems"
su -c "bash $PWD/chapter7/7.3-prepare-virtual-fs.sh"

# Exit on error 
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.3-prepare-virtual-fs.sh"
fi

# Chapter 7.4
# ===========
echo "Entering the Chroot Environment"
#su -c "bash $PWD/chapter7/7.4-enter-chroot.sh"

# Exit on error
# check_exit_code
# if [ $exit_status -ne 0 ]
# then
# 	stop_script "chapter7/7.4-enter-chroot.sh"
# fi

# If I think it is what it is, then it should not be executed as a child script as it would exit chroot. However, I wouldn't know unless I run it. I will keep it commented for now.

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)

# I don't think $PWD is important at this point since the chroot will drop us in $LFS, treated as /. We lost the location of this script. Here's hoping the user puts this repo in $LFS/sources. So much for avoiding hardcoded paths...all goes out the window.

export SCRIPT=/sources/lfs-scripts

# Chapter 7.5
# ===========
echo "Creating Directories"
bash $SCRIPT/chapter7/7.5-create-dirs.sh 

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.5-create-dirs.sh"
fi

# Chapter 7.6
# ===========
echo "Creating Essential Files and Symlinks"
bash $SCRIPT/chapter7/7.6-create-files-and-symlinks.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.6-create-files-and-symlinks.sh"
fi

# Chapter 7.7
# ===========
echo "Building gettext"
bash $SCRIPT/chapter7/7.7-gettext.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.7-gettext.sh"
fi

# Chapter 7.8
# ===========
echo "Building bison"
bash $SCRIPT/chapter7/7.8-bison.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.8-bison.sh"
fi

# Chapter 7.9
# ===========
echo "Building perl"
bash $SCRIPT/chapter7/7.9-perl.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.9-perl.sh"
fi


# Chapter 7.10
# ============
echo "Building Python"
bash $SCRIPT/chapter7/7.10-Python.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.10-Python.sh"
fi

# Chapter 7.11
# ============
echo "Building texinfo"
bash $SCRIPT/chapter7/7.11-texinfo.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.11-texinfo.sh"
fi

# Chapter 7.12
# ============
echo "Building util-linux"
bash $SCRIPT/chapter7/7.12-util-linux.sh

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter7/7.12-util-linux.sh"
fi

# Chapter 7.13
# ============
echo "Creating backup"
rm -rf /usr/share/{info,man,doc}/*
find /usr/{lib,libexec} -name \*.la -delete
rm -rf /tools

# Exit chroot
exit

# 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 8.3
# ===========
echo "Chapter 8"
echo "Building man-pages"
su -c "bash $SCRIPT/chapter8/8.3-man-pages.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.3-man-pages.sh"
fi

# Chapter 8.4
# ===========
echo "Building iana-etc"
su -c "bash $SCRIPT/chapter8/8.4-iana-etc.sh"

# Chapter 8.5
# ===========
echo "Building glibc"
su -c "bash $SCRIPT/chapter8/8.5-glibc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.5-glibc.sh"
fi

# Chapter 8.6
# ===========
echo "Building zlib"
su -c "bash $SCRIPT/chapter8/8.6-zlib.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.6-zlib.sh"
fi

# Chapter 8.7
# ===========
echo "Building bzip2"
su -c "bash $SCRIPT/chapter8/8.7-bzip.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.7-bzip.sh"
fi

# Chapter 8.8
# ===========
echo "Building xz"
su -c "bash $SCRIPT/chapter8/8.8-xz.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.8-xz.sh"
fi

# Chapter 8.9
# ===========
echo "Building zstd"
su -c "bash $SCRIPT/chapter8/8.9-zstd.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.9-zstd.sh"
fi

# Chapter 8.10
# ============
echo "Building file"
su -c "bash $SCRIPT/chapter8/8.10-file.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.10-file.sh"
fi

# Chapter 8.11
# ============
echo "Building readline"
su -c "bash $SCRIPT/chapter8/8.11-readline.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.11-readline.sh"
fi

# Chapter 8.12
# ============
echo "Building m4"
su -c "bash $SCRIPT/chapter8/8.12-m4.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.12-m4.sh"
fi

# Chapter 8.13
# ============
echo "Building bc"
su -c "bash $SCRIPT/chapter8/8.13-bc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.13-bc.sh"
fi

# Chapter 8.14
# ============
echo "Building flex"
su -c "bash $SCRIPT/chapter8/8.14-flex.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.14-flex.sh"
fi

# Chapter 8.15
# ============
echo "Building tcl"
su -c "bash $SCRIPT/chapter8/8.15-tcl.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.15-tcl.sh"
fi

# Chapter 8.16
# ============
echo "Building expect"
su -c "bash $SCRIPT/chapter8/8.16-expect.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	exit 1
fi

# Chapter 8.17
# ============
echo "Building dejagnu"
su -c "bash $SCRIPT/chapter8/8.17-dejagnu.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.17-dejagnu.sh"
fi

# Chapter 8.18
# ============
echo "Building binutils"
su -c "bash $SCRIPT/chapter8/8.18-binutils.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.18-binutils.sh"
fi

# Chapter 8.19
# ============
echo "Building GMP"
su -c "bash $SCRIPT/chapter8/8.19-gmp.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.19-gmp.sh"
fi

# Chapter 8.20
# ============
echo "Building MPFR"
su -c "bash $SCRIPT/chapter8/8.20-mpfr.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.20-mpfr.sh"
fi

# Chapter 8.21
# ============
echo "Building MPC"
su -c "bash $SCRIPT/chapter8/8.21-mpc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.21-mpc.sh"
fi

# Chapter 8.22
# ============
echo "Building attr"
su -c "bash $SCRIPT/chapter8/8.22-attr.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.22-attr.sh"
fi

# Chapter 8.23
# ============
echo "Building acl"
su -c "bash $SCRIPT/chapter8/8.23-acl.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.23-acl.sh"
fi

# Chapter 8.24
# ============
echo "Building libcap"
su -c "bash $SCRIPT/chapter8/8.24-libcap.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.24-libcap.sh"
fi

# Chapter 8.25
# ============
echo "Building shadow"
su -c "bash $SCRIPT/chapter8/8.25-shadow.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.25-shadow.sh"
fi

# Chapter 8.26
# ============
echo "Building gcc"
su -c "bash $SCRIPT/chapter8/8.26-gcc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.26-gcc.sh"
fi

# Chapter 8.27
# ============
echo "Building pkg-config.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.27-pkg-config.sh"
fi

# Chapter 8.28
# ============
echo "Building ncurses"
su -c "bash $SCRIPT/chapter8/8/28-ncurses.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.28-ncurses.sh"
fi


# Chapter 8.29
# ============
echo "Building sed"
su -c "bash $SCRIPT/chapter8/8.29-sed.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.29-sed.sh"
fi

# Chapter 8.30
# ============
echo "Building psmisc"
su -c "bash $SCRIPT/chapter8/8.30-psmisc.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.30-psmisc.sh"
fi

# Chapter 8.31
# ============
echo "Building gettext"
su -c "bash $SCRIPT/chapter8/8.31-gettext.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.31-gettext.sh"
fi

# Chapter 8.32
# ============
echo "Building bison"
su -c "bash $SCRIPT/chapter8/8.32-bison.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.32-bison.sh"
fi

# Chapter 8.33
# ============
echo "Building grep"
su -c "bash $SCRIPT/chapter8/8.33-grep.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.33-grep.sh"
fi

# Chapter 8.34
# ============
echo "Building bash"
su -c "bash $SCRIPT/chapter8/8.34-bash.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.34-bash.sh"
fi

# Chapter 8.35
# ============
echo "Building libtool"
su -c "bash $SCRIPT/chapter8/8.35-libtool.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.35-libtool.sh"
fi

# Chapter 8.36
# ============
echo "Building GDBM"
su -c "bash $SCRIPT/chapter8/8.36-gdbm.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.36-gdbm.sh"
fi

# Chapter 8.37
# ============
echo "Building gperf"
su -c "bash $SCRIPT/chapter8/8.37-gperf.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.37-gperf.sh"
fi

# Chapter 8.38
# ============
echo "Building expat"
su -c "bash $SCRIPT/chapter8/8.38-expat.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.38-expat.sh"
fi

# A thousand lines already
# But I know it won't work
# for I know the flaws in my ways
# Why am I still doing it?

# Chapter 8.39
# ============
echo "Building inetutils"
su -c "bash $SCRIPT/chapter8/8.39-inetutils.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.39-inetutils.sh"
fi

# Chapter 8.40
# ============
echo "Building less"
su -c "bash $SCRIPT/chapter8/8.40-less.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.40-less.sh"
fi

# Chapter 8.41
# ============
echo "Building perl"
su -c "bash $SCRIPT/chapter8/8.41-perl.sh"

# Exit on error
check_exit_code
if [ $exit_status -ne 0 ]
then
	stop_script "chapter8/8.41-perl.sh"
fi