#!/bin/sh

export PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin

compile_packages (){
	#for pkg in ${packages[@]};do
	n_packages=$(echo $packages | tr ' ' '\n')
	for pkg in $n_packages; do
		echo "Going to build: $pkg"
	
		cd /iglunix/pkgs/${pkg}/
		../../iglupkg.sh || exit 1
		tar -xf out/${pkg}.*.tar.xz -C / || exit 1
		tar -xf out/${pkg}-dev.*.tar.xz -C / 2> /dev/null
		tar -xf out/${pkg}-doc.*.tar.xz -C / 2> /dev/null
	done
}


#need to replace ln from busybox by toybox
rm /bin/ln
/bin/toybox ln -s /bin/toybox /bin/ln
echo "replaced ln from busybox by toybox"

ln -s /usr/bin/ld.lld /usr/bin/ld
echo "Linked ld.lld (from llvm) to ld"

ln -s /bin/busybox /usr/bin/fdisk
echo "Added fdisk from busybox"

mkdir /etc
touch /etc/passwd
echo "root:x:0:0::/root:/bin/sh" > /etc/passwd

touch /etc/group
echo "root:x:0:root" > /etc/group

#----
# Building spooky
#----


#---------
# Stage 1
#---------
#Stub lex
printf "#!/bin/sh\necho lex go brr\n" > /usr/bin/lex
chmod +x /usr/bin/lex

#Yes om4 has to be build twice
packages="mksh bmake gmake byacc om4 om4"
compile_packages

#---------
# Stage 2
#---------
rm /usr/bin/lex
packages="flex zlib expat"
compile_packages




#Samurai|| exit 1
cd /iglunix/pkgs/samurai
cd src/samurai-*/
clang *.c -o samu
cp /iglunix/pkgs/samurai/out/samurai/bin/samu /usr/bin
cd /iglunix/pkgs/samurai

../../iglupkg.sh
rm /usr/bin/samu
tar -xf out/samurai.*.tar.xz -C /

# Libre ssl, a slight problem
# lible ssl needs cmake, but cmake needs libre ssl. :(
# and rsync needs cmake
cd /iglunix/pkgs/libressl
cd src/libressl-*/
./configure --prefix=/usr && make -j12 && make install

packages="rsync"
compile_packages

# Build the headers of linux.
# No other solutions don't work well/at all.
# NOTE: we need to clean up after ourselves.
cd /iglunix/pkgs/linux
cd src/linux-*/
gmake CC=cc CXX=c++ HOSTCC=cc HOSTCXX=c++ LEX=lex YACC=yacc LLVM_IAS=1
gmake CC=cc CXX=c++ HOSTCC=cc HOSTCXX=c++ YACC=yacc LLVM_IAS=1 INSTALL_HDR_PATH=/usr headers_install
rm -r ./src ./out


cd /iglunix/pkgs/cmake
cd src/cmake-*/
./bootstrap \
        --prefix=/usr \
        --mandir=/usr/share/man \
        --datadir=/usr/share/cmake \
        --docdir=/usr/share/doc/cmake \
        --generator=Ninja \
        --no-system-libs

cd ../..


#NOTE: we recompile mksh, because now we have curl and it can download the man page!
packages="cmake libressl busybox toybox libffi python ca-certificates curl zlib expat kati gettext-tiny git netbsd-curses kakoune mksh linux iglunix llvm musl e2fsprogs nasm util-linux tiny-linux-bootloader"
compile_packages


echo "finished"
exit







#--------------
#--------------
# GARBAGE
#--------------
#--------------
# om4 and flex have a circular dependency
# NOTE: THIS DOES NOT WORK 
#       The lex file in om4 is compiled on the host :(
#       Solution: see prepare_chroot_iglunix
# PLAN:
#   build https://github.com/ibara/baseutils lex
#   build om4
# b  uild flex
# rm baseutils lex
cd /iglunix/tmp_pkgs/baseutils
make -C libopenbsd
make -C lex
cp lex /usr/bin
# Build m4
# bulid flex
#make sure to overwrite /usr/bin/lex