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

if [[ $# -eq 0 ]]; then
    echo "Usage: compress-7zst <7z args...>"
    exit 1
fi

level="${level:-15}"
cores=$(python3 -c "import os; print(os.cpu_count())")

echo "Starting ZSTD compression with $cores cores and level $level"
exec 7z a -m0=zstd -mx"$level" -mmt"$cores" "$@"