#!/bin/bash

set -e
set +h
set -u

BASEDIR=$(dirname $(readlink -f $0))

LFS="$(pwd)/tree"
allsources="$LFS/../../lfs-tarballs"
sources="$LFS/sources"
tools="$LFS/tools"
SNAPSHOT="${1:-'no'}"

CPUS=$(grep -c '^processor' /proc/cpuinfo)
JOBS=$(expr 2 '*' $CPUS)

export LC_ALL=C
export LFS_TGT=$(uname -m)-lfs-linux-gnu

HOST_CAT=`which cat`
HOST_CP=`which cp`
HOST_MKDIR=`which mkdir`
HOST_DIRNAME=`which dirname`
HOST_SED=`which sed`
HOST_SUDO=`which sudo`
HOST_READLINK=`which readlink`
HOST_CHMOD=`which chmod`

export PATH="$tools/bin:$tools/sbin:/usr/lib/ccache:/usr/bin:/bin"

download()
{
    basename=$(basename "$1")
    if [ ! -e "$sources/$basename" ]
    then
        echo "Downloading $1 to $basename"
        wget -O temp.download "$1"
        mv temp.download "$sources/$basename"
    fi
}


download_all()
{
    while read url
    do
        download "$url"
    done < "$BASEDIR/wget-list"
}


unpack()
{
    if [ ! -e "$sources/$1" ]
    then
        echo "Unpacking" "$sources/$1"*.tar.*
        tar -C "$sources" -xf "$sources/$1"*.tar.*
    fi
}


pass1_directories()
{
    $HOST_MKDIR -p "$LFS"
    $HOST_MKDIR -p "$sources"

    $HOST_MKDIR -p "$tools"
    $HOST_MKDIR -p "$tools/bin"
    $HOST_MKDIR -p "$tools/lib"
    [ -h "$tools/sbin" ] || ln -sf "bin" "$tools/sbin"
    [ -h "$tools/lib64" ] || ln -sf "lib" "$tools/lib64"
    [ -h "$tools/libexec" ] || ln -sf "lib" "$tools/libexec"

    [ -e "$LFS/proc" ] || $HOST_MKDIR -p "$LFS/proc"
    [ -e "$LFS/sys" ] || $HOST_MKDIR -p "$LFS/sys"
    [ -e "$LFS/tmp" ] || $HOST_MKDIR -p "$LFS/tmp"
    [ -e "$LFS/dev" ] || $HOST_MKDIR -p "$LFS/dev"
    [ -e "$LFS/dev/console" ] || $HOST_SUDO mknod -m 600 "$LFS/dev/console" c 5 1
    [ -e "$LFS/dev/null" ] || $HOST_SUDO mknod -m 666 "$LFS/dev/null" c 1 3
    [ -e "$LFS/dev/random" ] || $HOST_SUDO mknod -m 644 "$LFS/dev/random" c 1 8
    [ -e "$LFS/dev/urandom" ] || $HOST_SUDO mknod -m 644 "$LFS/dev/urandom" c 1 9
}


pass1_binutils_1()
{
    echo "Building binutils pass 1"
    if [ ! -e "$tools/bin/${LFS_TGT}-objdump" ]
    then
        unpack binutils-2.21.1
        $HOST_MKDIR "$sources/binutils-build"
        cd "$sources/binutils-build"
        "../binutils-2.21.1/configure" \
            --target=$LFS_TGT \
            --prefix="$tools" \
            --disable-nls \
            --disable-werror
        make -j$JOBS
        make install
        rm -rf "$sources/binutils-build" "$sources/binutils-2.21.1"
    fi
}


pass1_gcc_1()
{
    echo "Building gcc pass 1"
    if [ ! -e "$tools/bin/${LFS_TGT}-gcc" ]
    then
        unpack gcc-4.6.1
        unpack gmp-5.0.2
        unpack mpfr-3.1.0
        unpack mpc-0.9
        cd "$sources/gcc-4.6.1"
        cp -a ../gmp-5.0.2 gmp
        cp -a ../mpfr-3.1.0 mpfr
        cp -a ../mpc-0.9 mpc
        patch -Np1 -i ../gcc-4.6.1-cross_compile-1.patch
        
        $HOST_MKDIR "$sources/gcc-build"
        cd "$sources/gcc-build"
        "../gcc-4.6.1/configure" \
            --target=$LFS_TGT --prefix="$tools" \
            --disable-nls --disable-shared --disable-multilib \
            --disable-decimal-float --disable-threads \
            --disable-libmudflap --disable-libssp \
            --disable-libgomp --disable-libquadmath \
            --disable-target-libiberty --disable-target-zlib \
            --enable-languages=c --without-ppl --without-cloog \
            --with-mpfr-include=$(pwd)/../gcc-4.6.1/mpfr/src \
            --with-mpfr-lib=$(pwd)/mpfr/src/.libs
        make -j$JOBS
        make install
        ln -s libgcc.a `$LFS_TGT-gcc -print-libgcc-file-name | \
            $HOST_SED 's/libgcc/&_eh/'`
        
        rm -rf "$sources/gcc-build" "$sources/gcc-4.6.1"
    fi
}


pass1_linux_api_headers()
{
    echo "Installing Linux API headers"
    if [ ! -d "$tools/include/linux" ]
    then
        unpack linux-3.1
        cd "$sources/linux-3.1"
        make mrproper
        make headers_check
        make INSTALL_HDR_PATH=dest headers_install
        cp -rv dest/include/* "$tools/include"
        rm -rf "$sources/linux-3.1"
    fi
}


pass1_glibc()
{
    echo "Building glibc"
    if [ ! -e "$tools/lib/libc.so.6" ]
    then
        unpack glibc-2.14.1
        cd "$sources/glibc-2.14.1"
        patch -Np1 -i ../glibc-2.14.1-gcc_fix-1.patch
        patch -Np1 -i ../glibc-2.14.1-cpuid-1.patch
        
        $HOST_MKDIR "$sources/glibc-build"
        cd "$sources/glibc-build"
        case `uname -m` in
          i?86) echo "CFLAGS += -march=i486 -mtune=native" > configparms ;;
        esac
        ../glibc-2.14.1/configure --prefix="$tools" \
            --host=$LFS_TGT --build=$(../glibc-2.14.1/scripts/config.guess) \
            --disable-profile --enable-add-ons \
            --enable-kernel=2.6.25 --with-headers="$tools/include" \
            --without-selinux --without-cvs \
            libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes libc_cv_ssp=no
        make -j$JOBS
        make install vardbdir="$tools/var/db"
        rm -rf "$sources/glibc-2.14.1"
    fi
}


pass1_adjust_gcc_specs()
{
    echo "Adjusting gcc specs file"
    SPECS=`$HOST_DIRNAME $($LFS_TGT-gcc -print-libgcc-file-name)`/specs
    $LFS_TGT-gcc -dumpspecs | $HOST_SED \
      -e "s@/lib\(64\)\?/ld@$tools&@g" \
      -e "/^\*cpp:$/{n;s,$, -isystem $tools/include,}" > $SPECS 
    echo "New specs file is: $SPECS"
    unset SPECS
}


pass1_sanity_check()
{
    echo "Sanity checking toolchain"
    cd "$LFS/tmp"
    echo 'int main(void) { return 0; }' > dummy.c
    $LFS_TGT-gcc -B"$tools/lib" dummy.c
    readelf -l a.out | grep ": $LFS"
    rm dummy.c a.out
}


pass1_busybox()
{
    echo "Building busybox"
    if [ ! -e "$tools/bin/busybox" ]
    then
        unpack busybox-1.19.3
        cd "$sources/busybox-1.19.3"
        make defconfig
        $HOST_SED -e 's/.*FEATURE_PREFER_APPLETS.*/CONFIG_FEATURE_PREFER_APPLETS=y/' -i .config
        $HOST_SED -e 's/.*FEATURE_SH_STANDALONE.*/CONFIG_FEATURE_SH_STANDALONE=y/' -i .config
        $HOST_SED -e 's/^CONFIG_INETD=.*/# CONFIG_INETD is not set/' -i .config
        $HOST_SED -e 's/.*FEATURE_COMPRESS_USAGE=.*/CONFIG_FEATURE_COMPRESS_USAGE=y/' -i .config
        $HOST_SED -e 's/.*FEATURE_COMPRESS_USAGE=.*/CONFIG_FEATURE_COMPRESS_USAGE=y/' -i .config
        $HOST_SED -e 's/.*FEATURE_PREFER_APPLETS=.*/# CONFIG_FEATURE_PREFER_APPLETS is not set/' -i .config
        $HOST_SED -e 's/.*FEATURE_MOUNT_NFS=.*/# CONFIG_FEATURE_MOUNT_NFS is not set/' -i .config
        $HOST_SED -e 's/.*FEATURE_MOUNT_CIFS=.*/# CONFIG_FEATURE_MOUNT_CIFS is not set/' -i .config
        $HOST_SED -e 's/.*CONFIG_AWK=.*/# CONFIG_AWK is not set/' -i .config
        $HOST_SED -e 's/.*CONFIG_PATCH=.*/# CONFIG_PATCH is not set/' -i .config
        make clean
        make -j$JOBS V=1
        make install
        cp _install/bin/busybox "$tools/bin"
        find _install/bin _install/sbin _install/usr/bin _install/usr/sbin \
            -type l ! -name busybox | \
            while read x; do ln -sf busybox "$tools/bin/"$(basename "$x"); done
        rm -rf "$sources/busybox-1.19.3"
    fi
}


pass1_binutils_2()
{
    echo "Building binutils pass 2"
    if [ ! -e "$tools/bin/objdump" ]
    then
        unpack binutils-2.21.1
        $HOST_MKDIR "$sources/binutils-pass2-build"
        cd "$sources/binutils-pass2-build"
        CC="$LFS_TGT-gcc -B$tools/lib/" \
           AR=$LFS_TGT-ar RANLIB=$LFS_TGT-ranlib \
           ../binutils-2.21.1/configure --prefix="$tools" \
           --disable-nls --with-lib-path="$tools/lib"
        make -j$JOBS
        make install
        make -C ld clean
        make -C ld LIB_PATH=/usr/lib:/lib
        cp -v ld/ld-new "$tools/bin"
        rm -rf "$sources/binutils-pass2-build" "$sources/binutils-2.21.1"
    fi
}


pass1_gcc_2()
{
    echo "Building gcc pass 2"
    if [ ! -e "$tools/bin/gcc" ]
    then
        unpack gcc-4.6.1
        cd "$sources/gcc-4.6.1"
        patch -Np1 -i ../gcc-4.6.1-cross_compile-1.patch
        patch -Np1 -i ../gcc-4.6.1-startfiles_fix-1.patch

        cp -v gcc/Makefile.in{,.orig}
        $HOST_SED 's@\./fixinc\.sh@-c true@' gcc/Makefile.in.orig > gcc/Makefile.in 

        cp -v gcc/Makefile.in{,.tmp}
        $HOST_SED 's/^T_CFLAGS =$/& -fomit-frame-pointer/' gcc/Makefile.in.tmp \
          > gcc/Makefile.in

        for file in \
         $(find gcc/config -name linux64.h -o -name linux.h -o -name sysv4.h)
        do
          cp -v $file{,.orig}
          $HOST_SED -e "s@/lib\(64\)\?\(32\)\?/ld@$tools&@g" \
          -e "s@/usr@$tools@g" $file.orig > $file
          echo '
#undef STANDARD_INCLUDE_DIR
#define STANDARD_INCLUDE_DIR 0
#define STANDARD_STARTFILE_PREFIX_1 ""
#define STANDARD_STARTFILE_PREFIX_2 ""' >> $file
          touch $file.orig
        done

        case $(uname -m) in
          x86_64)
            for file in $(find gcc/config -name t-linux64) ; do \
              cp -v $file{,.orig}
              $HOST_SED '/MULTILIB_OSDIRNAMES/d' $file.orig > $file
            done
          ;;
        esac

        rm -rf gmp mpfr mpc
        unpack gmp-5.0.2
        unpack mpfr-3.1.0
        unpack mpc-0.9
        cp -a ../gmp-5.0.2 gmp
        cp -a ../mpfr-3.1.0 mpfr
        cp -a ../mpc-0.9 mpc

        $HOST_MKDIR "$sources/gcc-pass2-build"
        cd "$sources/gcc-pass2-build"

        CC="$LFS_TGT-gcc -B$tools/lib/" \
            AR=$LFS_TGT-ar RANLIB=$LFS_TGT-ranlib \
            ../gcc-4.6.1/configure --prefix="$tools" \
            --with-local-prefix="$tools" --enable-clocale=gnu \
            --enable-shared --enable-threads=posix \
            --enable-__cxa_atexit --enable-languages=c,c++ \
            --disable-libstdcxx-pch --disable-multilib \
            --disable-bootstrap --disable-libgomp \
            --without-ppl --without-cloog \
            --with-mpfr-include=$(pwd)/../gcc-4.6.1/mpfr/src \
            --with-mpfr-lib=$(pwd)/mpfr/src/.libs

        make -j$JOBS
        make install
        ln -s gcc "$tools/bin/cc"

        rm -rf "$sources/gcc-pass2-build" "$sources/gcc-4.6.1"
    fi
}


pass1_zlib()
{
    echo "Building ZLIB"
    if [ ! -e "$tools/lib/libz.so" ]
    then
        unpack zlib-1.2.5
        cd "$sources/zlib-1.2.5"
        ./configure --prefix="$tools"
        make -j$JOBS
        make install
        rm -rf "$sources/zlib-1.2.5"
    fi
}


pass1_ncurses()
{
    echo "Building ncurses"
    if [ ! -e "$tools/lib/libncurses.so" ]
    then
        unpack ncurses-5.9
        cd "$sources/ncurses-5.9"
        ./configure --prefix="$tools" --with-shared \
            --without-debug --without-ada --enable-overwrite
        make -j$JOBS
        make install
        rm -rf "$sources/ncurses-5.9"
    fi
}


pass1_bash()
{
    echo "Building bash"
    if [ ! -e "$tools/bin/bash" ]
    then
        unpack bash-4.2
        cd "$sources/bash-4.2"
        patch -Np1 -i ../bash-4.2-fixes-3.patch
        ./configure --prefix="$tools" --without-bash-malloc
        make -j$JOBS
#       make tests
        make install
	ln -s "$tools/bin/bash" "$tools/bin/sh"
        rm -rf "$sources/bash-4.2"
    fi
}


pass1_bzip2()
{
    echo "Building bzip2"
    if [ ! -e "$tools/bin/bzip2" ]
    then
        unpack bzip2-1.0.6
        cd "$sources/bzip2-1.0.6"
        make
        make PREFIX="$tools" install
        rm -rf "$sources/bzip2-1.0.6"
    fi
}


pass1_coreutils()
{
    echo "Building coreutils"
    if [ ! -e "$tools/bin/cp" ]
    then
        unpack coreutils-8.14
        cd "$sources/coreutils-8.14"
        ./configure --prefix="$tools" --enable-install-program=hostname
        make -j$JOBS
#       make RUN_EXPENSIVE_TESTS=yes check
        make install
        cp -v src/su "$tools/bin/su-tools"
        rm -rf "$sources/coreutils-8.14"
    fi
}


pass1_diffutils()
{
    echo "Building diffutils"
    if [ ! -e "$tools/bin/diff" ]
    then
        unpack diffutils-3.2
        cd "$sources/diffutils-3.2"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/diffutils-3.2"
    fi
}


pass1_file()
{
    echo "Building file"
    if [ ! -e "$tools/bin/file" ]
    then
        unpack file-5.09
        cd "$sources/file-5.09"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/file-5.09"
    fi
}


pass1_findutils()
{
    echo "Building findutils"
    if [ ! -e "$tools/bin/find" ]
    then
        unpack findutils-4.4.2
        cd "$sources/findutils-4.4.2"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/findutils-4.4.2"
    fi
}


pass1_gawk()
{
    echo "Building gawk"
    if [ ! -e "$tools/bin/awk" ]
    then
        unpack gawk-4.0.0
        cd "$sources/gawk-4.0.0"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/gawk-4.0.0"
    fi
}


pass1_gettext()
{
    echo "Building gettext"
    if [ ! -e "$tools/bin/msgfmt" ]
    then
        unpack gettext-0.18.1.1
        cd "$sources/gettext-0.18.1.1"
        ./configure --prefix="$tools"
        make -j$JOBS
        make install
        rm -rf "$sources/gettext-0.18.1.1"
    fi
}


pass1_grep()
{
    echo "Building grep"
    if [ ! -e "$tools/bin/grep" ]
    then
        unpack grep-2.9
        cd "$sources/grep-2.9"
        ./configure --prefix="$tools" --disable-perl-regexp
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/grep-2.9"
    fi
}


pass1_gzip()
{
    echo "Building gzip"
    if [ ! -e "$tools/bin/gzip" ]
    then
        unpack gzip-1.4
        cd "$sources/gzip-1.4"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/gzip-1.4"
    fi
}


pass1_m4()
{
    echo "Building m4"
    if [ ! -e "$tools/bin/m4" ]
    then
        unpack m4-1.4.16
        cd "$sources/m4-1.4.16"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/m4-1.4.16"
    fi
}


pass1_make()
{
    echo "Building make"
    if [ ! -e "$tools/bin/make" ]
    then
        unpack make-3.82
        cd "$sources/make-3.82"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/make-3.82"
    fi
}


pass1_patch()
{
    echo "Building patch"
    if [ ! -e "$tools/bin/patch" ]
    then
        unpack patch-2.6.1
        cd "$sources/patch-2.6.1"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/patch-2.6.1"
    fi
}


pass1_perl()
{
    echo "Building perl"
    if [ ! -e "$tools/bin/perl" ]
    then
        unpack perl-5.14.2
        cd "$sources/perl-5.14.2"
        patch -Np1 -i ../perl-5.14.2-libc-1.patch
        sh Configure -des -Dprefix="$tools"
        make -j$JOBS
        cp -v perl cpan/podlators/pod2man "$tools/bin"
        $HOST_MKDIR -p "$tools/lib/perl5/5.14.2"
        cp -Rv lib/* "$tools/lib/perl5/5.14.2"
        rm -rf "$sources/perl-5.14.2"
    fi
}


pass1_sed()
{
    echo "Building sed"
    if [ ! -e "$tools/bin/sed" ]
    then
        unpack sed-4.2.1
        cd "$sources/sed-4.2.1"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/sed-4.2.1"
    fi
}


pass1_tar()
{
    echo "Building tar"
    if [ ! -e "$tools/bin/tar" ]
    then
        unpack tar-1.26
        cd "$sources/tar-1.26"
	# mknod check fails without
        FORCE_UNSAFE_CONFIGURE=1 ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/tar-1.26"
    fi
}


pass1_texinfo()
{
    echo "Building texinfo"
    if [ ! -e "$tools/bin/makeinfo" ]
    then
        unpack texinfo-4.13
        cd "$sources/texinfo-4.13"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/texinfo-4.13"
    fi
}


pass1_xz()
{
    echo "Building xz"
    if [ ! -e "$tools/bin/xz" ]
    then
        unpack xz-5.0.3
        cd "$sources/xz-5.0.3"
        ./configure --prefix="$tools"
        make -j$JOBS
#       make check
        make install
        rm -rf "$sources/xz-5.0.3"
    fi
}


pass1_python()
{
    echo "Building Python"
    if [ ! -e "$tools/bin/python" ]
    then
        unpack Python-2.7.2
        cd "$sources/Python-2.7.2"
        ./configure --prefix="$tools"
        make -j$JOBS
        make install
        rm -rf "$sources/Python-2.7.2"
    fi
}


pass1_cliapp()
{
    echo "Building cliapp"
    if [ ! -e "$tools/lib/python2.7/site-packages/cliapp" ]
    then
        cp "$sources/python-cliapp_0.23.orig.tar.gz" \
           "$sources/cliapp-0.23.tar.gz"
        unpack cliapp-0.23
        cd "$sources/cliapp-0.23"
        $HOST_SED -i '/^import cliapp/d' setup.py
        $HOST_SED -i 's/cliapp.__version__/"0.23"/g' setup.py
        python setup.py install --prefix="$tools"
        rm -rf "$sources/cliapp-0.23"
    fi
}


pass1_git()
{
    echo "Building git"
    if [ ! -e "$tools/bin/git" ]
    then
        unpack git-1.7.7.3
        cd "$sources/git-1.7.7.3"
        ./configure --prefix="$tools"
        make -j$JOBS
        make install
        rm -rf "$sources/git-1.7.7.3"
    fi
}


pass1_strip_tools()
{
    echo "Stripping binaries"
    strip --strip-debug "$tools"/lib/* || true
    strip --strip-unneeded "$tools"/{,s}bin/* || true
}


pass1_fix_perms()
{
    $HOST_SUDO -p'Password for chown: ' chown -R root:root "$LFS"
}


pass2_get_sources()
{
    echo "Get Baserock sources"
    # FIXME: This should use git from inside the chroot
    if [ ! -e "$LFS/baserock/gits" ]
    then
        $HOST_MKDIR -p "$LFS/baserock"
        $HOST_SUDO cp -al "$HOME/baserock/gits" "$LFS/baserock"
    fi
}


pass2_prepare_for_chroot()
{
    echo "Preparing $LFS for chroot"
    cd "$LFS"
    if [ ! -h "$LFS/$LFS" ]
    then
        $HOST_MKDIR -p "$LFS/$LFS"
        /bin/rmdir "$LFS/$LFS"
        /bin/ln -s / "$LFS/$LFS"
    fi

    if [ ! -d "$LFS/etc" ]
    then
	    $HOST_SUDO mkdir -p "$LFS/etc"
	    $HOST_SUDO chmod 777 "$LFS/etc"
	    $HOST_SUDO touch "$LFS/etc/ld.so.conf"
	    $HOST_SUDO chmod 666 "$LFS/etc/ld.so.conf"
	    cat <<EOF > "$LFS/etc/ld.so.conf"
/lib64
/lib
/usr/lib64
/usr/lib
EOF
    fi
    
    $HOST_MKDIR -p "$LFS/etc"
    [ -e "$LFS/etc/passwd" ] || echo 'root::0:0:root:/root:/bin/bash' > "$LFS/etc/passwd"
    [ -e "$LFS/etc/group" ] || echo 'root::0:' > "$LFS/etc/group"

    [ -e "$LFS/etc/hostname" ] || echo 'baserock-boot' | 
        $HOST_SUDO /usr/bin/tee "$LFS/etc/hostname" > /dev/null

    # Add symlinks for common locations of specific tools
    # These are needed for #! lines in scripts
    [ -e "$LFS/bin" ] || $HOST_MKDIR -p "$LFS/bin"
    [ -e "$LFS/bin/sh" ] || $HOST_SUDO ln -sf ../tools/bin/bash "$LFS/bin/sh"
    [ -e "$LFS/bin/bash" ] || $HOST_SUDO ln -sf ../tools/bin/bash "$LFS/bin/bash"
    [ -e "$LFS/bin/pwd" ] || $HOST_SUDO ln -sf ../tools/bin/pwd "$LFS/bin/pwd"
    [ -e "$LFS/bin/echo" ] || $HOST_SUDO ln -sf ../tools/bin/echo "$LFS/bin/echo"
    if [ ! -e "$LFS/usr/bin/perl" ]; then
        $HOST_MKDIR -p $LFS/usr/bin
        $HOST_SUDO ln -sf ../../tools/bin/perl "$LFS/usr/bin/perl"
    fi
}


pass2_build_with_morph_in_chroot()
{
    echo "Building Baserock with morph"
    cat <<EOF > "$LFS/baserock/build.sh"
#!/tools/bin/bash
set -e
set -x

/tools/bin/ldconfig -f /etc/ld.so.conf -C /etc/ld.so.cache
cd /baserock/gits/morph
mkdir -p /baserock/cache
python ./morph --verbose build \
    file:///baserock/gits/morphs/ master linux-stratum.morph \
    file:///baserock/gits/morphs/ master foundation.morph \
    file:///baserock/gits/morphs/ master devel.morph \
        --bootstrap \
        --cachedir=/baserock/cache \
        --log=/baserock/morph.log \
        --dump-memory-profile=none \
        --max-jobs=1 \
        --git-base-url=file:///baserock/gits/
EOF
    $HOST_CHMOD +x "$LFS/baserock/build.sh"
    local do_chroot="$BASEDIR/do-chroot"
    if [ ! -e "$do_chroot" ]; then
        $HOST_CAT >"$do_chroot" <<EOF
if ! mount | grep "$LFS/proc" >/dev/null
then
    $HOST_SUDO mount -t proc proc "$LFS/proc"
fi
if ! mount | grep "$LFS/sys" >/dev/null
then
    $HOST_SUDO mount -t sysfs sysfs "$LFS/sys"
fi
$HOST_SUDO $HOST_CP -f /etc/resolv.conf "$LFS/etc/resolv.conf"
$HOST_SUDO /usr/sbin/chroot "$LFS" \\
    /tools/bin/env -i HOME=/baserock TERM=\$TERM \\
    PATH="/bin:/usr/bin:/sbin:/usr/sbin:/tools/bin" \\
    BOOTSTRAP_TOOLS="$LFS/tools" \\
    "\${@-\$SHELL}"
$HOST_SUDO umount "$LFS/proc" "$LFS/sys"
EOF
        $HOST_CHMOD +x "$do_chroot"
    fi
    "$do_chroot" /baserock/build.sh
}


pass2_build_devel_system_outside_chroot()
{
    cd "$LFS/.."
    img="devsys.img"

    $HOST_SUDO qemu-img create -f raw "$img" 1G
    $HOST_SUDO parted -s "$img" mklabel msdos
    $HOST_SUDO parted -s "$img" mkpart primary 0% 100%
    $HOST_SUDO parted -s "$img" set 1 boot on
    $HOST_SUDO install-mbr "$img"
    part=/dev/mapper/$($HOST_SUDO kpartx -av "$img" | awk '/^add map/ { print $3 }' | head -n1)
    trap "$HOST_SUDO kpartx -dv $img" EXIT
    $HOST_SUDO mkfs -t ext4 "$part"
    mp="$(mktemp -d)"
    $HOST_SUDO mount "$part" "$mp"

    for stratum in "$LFS"/baserock/cache/*.stratum.{foundation,linux-stratum,devel}
    do
        $HOST_SUDO tar -C "$mp" -xf "$stratum"
    done

    cat <<EOF | $HOST_SUDO tee "$mp/etc/fstab"
proc      /proc proc  defaults          0 0
sysfs     /sys  sysfs defaults          0 0
/dev/sda1 /     ext4  errors=remount-ro 0 1
EOF

    cat <<EOF | $HOST_SUDO tee "$mp/extlinux.conf"
default linux
timeout 1

label linux
kernel /vmlinuz
append root=/dev/sda1 init=/sbin/init quiet rw
EOF

    $HOST_SUDO extlinux --install "$mp"
    sync
    sleep 2

    $HOST_SUDO umount "$mp"
}


echo "Bootstrapping Baserock development environment"
echo "LFS_TGT=$LFS_TGT"

pass1_directories

if [ -e "$allsources" ]
then
    $HOST_CP -au "$allsources/." "$LFS/sources/."
fi
download_all

pass1_binutils_1
pass1_gcc_1
pass1_linux_api_headers
pass1_glibc
pass1_adjust_gcc_specs
pass1_sanity_check
pass1_binutils_2
pass1_gcc_2
pass1_sanity_check
pass1_zlib
pass1_ncurses
#pass1_busybox
pass1_bash
pass1_bzip2
pass1_coreutils
pass1_diffutils
pass1_file
pass1_findutils
pass1_gawk
pass1_gettext
pass1_grep
pass1_gzip
pass1_m4
pass1_make
pass1_patch
pass1_perl
pass1_sed
pass1_tar
pass1_texinfo
pass1_xz
pass1_python
pass1_cliapp
pass1_git
#pass1_strip_tools
#pass1_fix_perms

if [ "$SNAPSHOT" = yes ]
then
    cd "$LFS/.."
    tar -caf tree-snapshot.tar tree
    echo "See snapshot in tree-snapshot.tar"
    exit
fi

pass2_get_sources
pass2_prepare_for_chroot
pass2_build_with_morph_in_chroot
pass2_build_devel_system_outside_chroot