#!/usr/bin/env bash
# Check: Required tools are installed
# Returns 0 if all tools present, 1 otherwise

set -euo pipefail

command -v tar &>/dev/null && \
command -v gzip &>/dev/null && \
command -v age &>/dev/null && \
(command -v b3sum &>/dev/null || command -v blake3 &>/dev/null)