#!/usr/bin/env bash

set -euo pipefail

mode=${1:-error}
[[ "$mode" =~ ^(error|warning)$ ]] || { echo "Usage: $0 [error|warning]"; exit 1; }

cd "$(dirname "$0")/.." || exit 1

find script -maxdepth 1 -type f -print0 |
  xargs -0 grep -l -E '^#!(/bin/|/usr/bin/env )(sh|bash|dash)' |
  xargs -r shellcheck -x -S "$mode" -C