#!/usr/bin/env -S bash -xeuo pipefail

set -xeuo pipefail

pkg install pacman patchelf \
            which time ldd tree

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pacman-key --init

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pacman-key --populate

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pacman -Syu

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pacman -Sy glibc-runner --assume-installed bash,patchelf,resolv-conf

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grun --help

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curl -fsSL https://deno.land/install.sh | time sh

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curl -fsSL https://bun.sh/install | time bash

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export DENO_INSTALL="${HOME}/.deno"
export BUN_INSTALL="$HOME/.bun"
export PATH="${PATH}:${DENO_INSTALL}/bin:${BUN_INSTALL}/bin"

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patchelf --print-interpreter --print-needed "$(which deno)"

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patchelf --print-interpreter --print-needed "$(which bun)"

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patchelf --set-rpath "${PREFIX}/glibc/lib" --set-interpreter "${PREFIX}/glibc/lib/ld-linux-aarch64.so.1" "$(which deno)"

patchelf --set-rpath "${PREFIX}/glibc/lib" --set-interpreter "${PREFIX}/glibc/lib/ld-linux-aarch64.so.1" "$(which bun)"

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ldd "$(which deno)"

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ldd "$(which bun)"

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for i in deno bun ; do
  cat - << EOF > ~/".${i}/bin/${i}.glibc.sh"
#!/usr/bin/env sh

_oldpwd="\${PWD}"
_dir="\$(dirname "\${0}")"
cd "\${_dir}"

if ! [ -h "${i}" ] ; then
  >&2 mv -fv "${i}" "${i}.orig"
  >&2 ln -sfv "${i}.glibc.sh" "${i}"
fi
cd "\${_oldpwd}"
LD_PRELOAD= exec "\${_dir}/${i}.orig" "\${@}"
# Or
#exec grun "\${_dir}/${i}.orig" "\${@}"

EOF

  chmod -c u+x ~/".${i}/bin/${i}.glibc.sh"
done

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deno.glibc.sh --version

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bun.glibc.sh --version

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tree -a ~/.deno ~/.bun

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cat -n ~/.deno/bin/deno.glibc.sh

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cat -n ~/.bun/bin/bun.glibc.sh

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deno <<< "console.log('Hello world')"

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file="$(mktemp -p ~/.cache --suffix .js hello-XXX)"

echo "console.log('Hello world')" > "${file}"

bun run "${file}"

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echo