#!/usr/bin/with-contenv bash

set -e

RUST_BINS_PATH="/rust-bins"
PACKAGES_TO_INSTALL_LIST="/mod-repo-packages-to-install.list"

ARCH=$(uname -m)
SUPPORTED_ARCHS=("x86_64" "aarch64")

if [[ ! " ${SUPPORTED_ARCHS[@]} " =~ " ${ARCH} " ]]; then
  echo "**** unsupported architecture: $ARCH ****"
  exit 1
fi

if ! dpkg -l | grep build-essential >/dev/null; then
  echo "**** adding build-essential to install list ****"
  echo "build-essential" >>"$PACKAGES_TO_INSTALL_LIST"
else
  echo "**** build-essential already installed ****"
fi

RUST_BINARY_ARCHIVE_PATH="$RUST_BINS_PATH/rust-$ARCH-gnu.tar.gz"

if [[ -f "$RUST_BINARY_ARCHIVE_PATH" ]]; then
  echo "**** unpacking rust tar ****"
  tar -xzf "$RUST_BINARY_ARCHIVE_PATH" -C "$RUST_BINS_PATH" --strip-components=1

  echo "**** installing rust ****"
  "$RUST_BINS_PATH/install.sh"
  rm -rf "$RUST_BINS_PATH"
else
  echo "**** latest rust is already installed ****"
fi