#!/usr/bin/env sh
set -eu

repo_root="$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
cd "$repo_root"

out_dir="${DOSH_PACKAGE_DIR:-target/dosh-release}"
version="${DOSH_VERSION:-$(sed -n 's/^version = "\(.*\)"/\1/p' Cargo.toml | sed -n '1p')}"

normalize_os() {
  case "$(uname -s)" in
    Darwin) printf '%s\n' macos ;;
    Linux) printf '%s\n' linux ;;
    FreeBSD) printf '%s\n' freebsd ;;
    *) uname -s | tr '[:upper:]' '[:lower:]' ;;
  esac
}

normalize_arch() {
  case "$(uname -m)" in
    x86_64|amd64) printf '%s\n' x86_64 ;;
    arm64|aarch64) printf '%s\n' aarch64 ;;
    armv7l) printf '%s\n' armv7 ;;
    *) uname -m | tr '[:upper:]' '[:lower:]' ;;
  esac
}

os="$(normalize_os)"
arch="$(normalize_arch)"
artifact="dosh-$os-$arch.tar.gz"
versioned_artifact="dosh-$version-$os-$arch.tar.gz"
stage="$out_dir/stage/dosh"

cargo build --release

rm -rf "$stage"
mkdir -p "$stage/bin" "$out_dir"
for bin in dosh-client dosh-server dosh-auth dosh-bench; do
  if [ -f "target/release/$bin" ]; then
    install -m 0755 "target/release/$bin" "$stage/bin/$bin"
  fi
done
printf '%s\n' "$version" >"$stage/VERSION"

tar -C "$out_dir/stage" -czf "$out_dir/$artifact" dosh
cp "$out_dir/$artifact" "$out_dir/$versioned_artifact"

cat <<EOF
Wrote:
  $out_dir/$artifact
  $out_dir/$versioned_artifact
EOF