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

hash_stdin() {
  if command -v shasum >/dev/null 2>&1; then
    shasum -a 256 | awk '{print $1}'
  elif command -v sha256sum >/dev/null 2>&1; then
    sha256sum | awk '{print $1}'
  else
    >&2 echo "No sha256 tool found (shasum/sha256sum)"; exit 1
  fi
}

hash_file() {
  local f="$1"
  if command -v shasum >/dev/null 2>&1; then
    shasum -a 256 "$f" | awk '{print $1}'
  else
    sha256sum "$f" | awk '{print $1}'
  fi
}

"$@"