#!/usr/bin/env bash set -Eeuo pipefail cd "$(dirname "$(readlink -f "$BASH_SOURCE")")" images=( */ ) images=( "${images[@]%/}" ) : "${PARALLELISM:=$(( $(nproc) * 2 ))}" xargs -rtn1 -P "$PARALLELISM" ./update.sh "$@" <<<"${images[*]}"