envinit

#!/bin/bash

# Read config file
. config/config.sh
# Get values
. data/configparser.sh

echo -e "Preparing for customizing $LFS_TARGET_ARCH disk image...\n"

echo -e "Unmounting build/builddir mount point...\n"

umount build/builddir
echo
echo -e "Deleting buid directory contents...\n"
rm -rfv build/*
echo

if [[ $LFS_TARGET_ARCH = "amd64" ]]
then
echo "Preparing for customizing amd64..."
fi

if [[ $LFS_TARGET_ARCH = "i686" ]]
then
echo "Preparing for customizing i686..."
fi

if [[ $LFS_TARGET_ARCH = "i586" ]]
then
echo "Preparing for customizing i586..."
fi

echo -e "Copying main scripts... \n"
cp -v data/stages/* build/
echo

echo -e "Copying packages scripts... \n"
cp -rv data/packages build/
echo

echo -e "Copying kernel config files... \n"
cp -rv data/kernel build/
echo

#HACK: uname override script
#needed for libgcrypt and other packages x86 build on amd64 CPUs without cross-compilation or emulation
#script source: https://unix.stackexchange.com/questions/587047/how-do-i-change-the-output-of-uname-m
if [[ $LFS_TARGET_ARCH != "amd64" ]]
then
echo -e "Activating hack to override uname -m command output... \n"
echo '#override uname -m output' > build/packages/uname.sh
echo "#amd64 can act as $LFS_TARGET_ARCH" >> build/packages/uname.sh
echo 'uname()'  >> build/packages/uname.sh
echo '  if [ "$#" -eq 1 ] && [ "$1" = -m ]; then'  >> build/packages/uname.sh
echo "    echo $LFS_TARGET_ARCH"  >> build/packages/uname.sh
echo '  else'  >> build/packages/uname.sh
echo '    command uname "$@"'  >> build/packages/uname.sh
echo 'fi'  >> build/packages/uname.sh
echo 'export -f uname' >> build/packages/uname.sh
chmod -v 777 build/packages/uname.sh
echo
fi




#echo -e "Copying main user scripts...  \n"
#cp -rfv data/scripts build
#echo
if [[ $LFS_TARGET_INIT = "sysv" ]]
then
echo -e "Copying SysV specific chroot scripts ...\n"
cp -rfv data/cscripts.sysv build/cscripts
echo
fi

if [[ $LFS_TARGET_INIT = "systemd" ]]
then
echo -e "Copying Systemd specific chroot scripts ...\n"
cp -rfv data/cscripts.systemd build/cscripts
echo
fi

echo -e "Writing config file 'env.sh'...\n"
echo '#Configuration file for scripts to run on host as root' > build/env.sh
echo  >> build/env.sh
echo 'PWD=`pwd`' >> build/env.sh
echo 'LFS="$PWD/builddir"' >> build/env.sh
echo 'MAKEFLAGS="-j`nproc`"' >> build/env.sh
echo "LOCALREPO=\"$LOCALREPO\"" >>  build/env.sh
echo "SOURCESDISK=\"$SOURCESDISK\"" >>  build/env.sh
echo "FORMATSOURCESDISK=\"$FORMATSOURCESDISK\"" >>  build/env.sh
echo "ZEROFILL=\"$ZEROFILL\"" >>  build/env.sh
echo "LFS_PARTITION=\"$LFS_PARTITION\"" >>  build/env.sh
echo  >> build/env.sh
echo 'echo $LFS' >> build/env.sh
echo  >> build/env.sh
echo 'export PWD LFS MAKEFLAGS LOCALREPO SOURCESDISK FOROMATSOURCESDISK ZEROFILL LFS_PARTITION' >> build/env.sh

echo '---'
cat build/env.sh
echo '---'
echo

echo -e "Creating directory 'cscripts.config'...\n"

mkdir -v 'build/cscripts.config'

echo -e "Writing config file 'cscripts.config/config.sh'...\n"

cat >> build/cscripts.config/config.sh << "EOF"
ULFS_TESTS="NO"
ULFS_CRITICAL_TESTS="NO"
ULFS_DOCS="NO"

KERNEL_AUFS="YES"

MAKEFLAGS="-j`nproc`"
NINJAJOBS=`nproc`
EOF

echo '---'
cat build/cscripts.config/config.sh
echo '---'

echo -e "Writing config file 'cscripts.config/env.sh'...\n"

cat > build/cscripts.config/env.sh << "EOF"
. /cscripts/config.sh
PATH=/usr/bin:/usr/sbin
LC_ALL=POSIX
EOF


if [[ $LFS_TARGET_ARCH = "amd64" ]]
then

echo 'LFS_TGT=$(uname -m)-lfs-linux-gnu' >> build/cscripts.config/env.sh

else

echo "LFS_TGT=$LFS_TARGET_ARCH-lfs-linux-gnu" >> build/cscripts.config/env.sh

fi

cat >> build/cscripts.config/env.sh << "EOF"
LANG=C
export PATH LANG ULFS_TESTS ULFS_CRITICAL_TESTS ULFS_DOCS NINJAJOBS MAKEFLAGS LFS_TGT KERNEL_AUFS
PWD=`pwd`
echo "PWD DIR: $PWD"
echo "RUN TESTS: $ULFS_TESTS"
echo "RUN CRITICAL TESTS: $ULFS_CRITICAL_TESTS"
echo "INSTALL DOCUMENTATION: $ULFS_DOCS"
echo
echo "MAKE FLAGS: $MAKEFLAGS"
echo "NINJA THREADS: $NINJAJOBS"

sleep 1
EOF

echo '---'
cat build/cscripts.config/env.sh
echo '---'

echo -e "\nCreating symlink to sources directory\n"

ln -sv ../src build/src

echo -e "\nCreating directories...\n"
mkdir -v build/{builddir,log,tmp}

echo -e "\nSetting permissions...\n"

chmod -v 777 build/{builddir,log,tmp}
chmod -v 777 build/{env.sh,cscripts.config/{config.sh,env.sh}}

echo -e "\nBuild directory created\n"


if [[ $LFS_MBR = "YES" ]]
then

echo build/cscripts/*-grub
sed -e "s|/dev/sda1|$LFS_RUNNING_PARTITION|" -i build/cscripts/*-grub



echo
echo "Replacing /dev/sda to $LFS_DISK (according to \$LFS_DISK)..."
echo
echo build/cscripts/*-grub
sed -e "s|grub-install /dev/sda|grub-install $LFS_DISK|" -i build/cscripts/*-grub
echo
GRUB_ROOT_SRC="(hd0,1)"
GRUB_ROOT_TGT="(hd$LFS_RUNNING_DISK_NUMBER,$LFS_RUNNING_PARTITION_NUMBER)"
echo "Replacing $GRUB_ROOT_SRC to $GRUB_ROOT_TGT (according to \$LFS_RUNNING_DISK_NUMBER and \$LFS_RUNNING_PARTITION_NUMBER)..."
echo
echo build/cscripts/*-grub
sed -e "s|$GRUB_ROOT_SRC|$GRUB_ROOT_TGT|" -i build/cscripts/*-grub

else

echo
echo Deleting GRUB MBR bootloader script
echo
rm -v build/cscripts/*-grub

fi