name=go
version=1.7.3
bootstrap_version=1.4.3
update_url='https://golang.org/dl/'

define_option '!bootstrap: Build for the first time'

dlextract "https://storage.googleapis.com/golang/$name$version.src.tar.gz" \
          '83d1b7bd4281479ab7d153e5152c9fc9'

if option bootstrap; then
    download "https://storage.googleapis.com/golang/$name$bootstrap_version.src.tar.gz" \
             'dfb604511115dd402a77a553a5923a04'
fi
header_end

if option bootstrap; then
    mkdir bootstrap; cd bootstrap
    extract "$name$bootstrap_version.src.tar.gz"

    cd "$name/src"
    CGO_ENABLED=0 ./make.bash

    cd ..
    GOROOT_BOOTSTRAP="$PWD"
    cd ../..
else
    GOROOT_BOOTSTRAP="$dir_sysroot/$dir_prefix/$dir_libdir/$name"
fi

cd "$name/src"
GOROOT_BOOTSTRAP="$GOROOT_BOOTSTRAP" \
GOROOT_FINAL="$dir_sysroot/$dir_prefix/$dir_libdir/$name" \
    ./make.bash
cd ..

rm -rf pkg/bootstrap pkg/obj

mkdir -p "$dir_install/$dir_prefix/$dir_libdir/$name"
cp -at "$dir_install/$dir_prefix/$dir_libdir/$name" bin pkg src

# Create symlinks
mkdir -p "$dir_install/$dir_prefix/$dir_bindir"
for x in bin/*; do
    ln -s "$dir_sysroot/$dir_prefix/$dir_libdir/$name/$x" "$dir_install/$dir_prefix/$dir_bindir/$(basename "$x")"
done

# Set global GOPATH for external libraries
echo "export GOPATH=\"$dir_sysroot/$dir_prefix/$dir_libdir/$name/site\"" > go.sh
install -Dm755 -t "$dir_install/$dir_sysconfdir/profile.d" go.sh

# vim:set tabstop=4 shiftwidth=4 syntax=sh et: