Wrapper to launch docker.app if it is not running when you use a CLI docker command

docker.sh

#! /usr/bin/env bash

set -Euo pipefail

DOCKER_APP="/Applications/Docker.app"
DOCKER_CLI="${DOCKER_APP}/Contents/Resources/bin/docker"

pgrep -qf Docker.app 
if [ $? != 0 ]; then
	read -n1 -p "The Docker app is not running, launch it now? [Y/n]" LAUNCH_DOCKER
	[[ "$LAUNCH_DOCKER" =~ [nN] ]] && exit 0
	echo ""
	echo -n "Launching "
	open $DOCKER_APP
	$DOCKER_CLI ps &> /dev/null
	while [ $? != 0 ]; do
		sleep 1
		echo -n "."
		$DOCKER_CLI ps &> /dev/null
	done
	echo ""
fi

exec "$DOCKER_CLI" "$@"