#!/bin/sh

set -e

if [ "$#" -ne 1 ]; then
  echo "Require name of package as argument" >&2
  exit 1
fi

name="$1"
upcase=$(echo "$name" | tr a-z A-Z)
version=$(printenv "${upcase}_VER")
checksum=$(printenv "${upcase}_SHA256")
archive="download/${name}-${version}.tar.gz"
build_dir="build/$name"

echo "$checksum  $archive" | sha256sum -c
mkdir -p "$build_dir"
tar -C "$build_dir" --strip-components=1 -xzf "$archive"