caff.sh

caff () {
	if [ -z "$(docker images -q caff)" ]; then
		# shellcheck disable=SC2016
		echo 'Bootstrapping `caff` docker image'
		docker run \
			--detach \
			--name caff \
			debian \
			bash -c 'apt-get update -y && apt-get install -y man signing-party && apt-get clean' &>/dev/null
		while [ -n "$(docker ps -qf name=caff)" ]; do
			sleep 5
		done
		docker commit caff caff >/dev/null # commit container as image
		docker rm caff >/dev/null          # remove container
	fi
	if [ "$1" = "--help" ]; then
		docker run \
			--interactive \
			--tty \
			--rm \
			caff \
			man caff
	else
		docker run \
			--interactive \
			--tty \
			--rm \
			--volume "${HOME}/.caff:/root/.caff" \
			--volume "${HOME}/.caffrc:/root/.caffrc" \
			--volume "${HOME}/.gnupg:/root/.gnupg" \
			caff \
			caff "$@"
	fi
}