#!/usr/bin/env bash
set -euo pipefail

BASE="unknown"

if command -v apk >/dev/null 2>&1; then
  BASE="apk"
elif command -v apt-get >/dev/null 2>&1; then
  BASE="apt"
fi

if command -v docker >/dev/null 2>&1; then
  echo "${BASE}+docker"
else
  echo "${BASE}"
fi