Quite funny shell selection one liner - from best to ugly

shell_graceful.sh

sh -c  zsh; if [ "$?" -eq "127" ]; then bash; if [ "$?" -eq "127" ]; then  ash; if [ "$?" -eq "127" ]; then sh; fi; fi; fi

yet_another_shell.sh

de () {
	__docker_pre_test
	if [ $? -eq 0 ]
	then
		local name=$(docker ps --format '{{.Names}}' | fzf) 
		if [ ! -z "$name" ]
		then
			local command="$1" 
			if [ -z "$command" ] && [ -f "$HOME/.docker-fuzzy-search-exec" ]
			then
				command=$($HOME/.docker-fuzzy-search-exec "$name") 
			fi
			if [ -z "$command" ]
			then
				local imageName=$(docker inspect --format '{{.Config.Image}}' $name | sed -e 's/:.*$//g') 
				case "$imageName" in
					("mysql" | "bitnami/mysql" | "mysql/mysql-server" | "percona" | centos/mysql*) command='mysql -uroot -p$MYSQL_ROOT_PASSWORD'  ;;
					("mongo" | "circleci/mongo") command='if [ -z "$MONGO_INITDB_ROOT_USERNAME" ]; then mongo; else mongo -u "$MONGO_INITDB_ROOT_USERNAME" -p "$MONGO_INITDB_ROOT_PASSWORD"; fi'  ;;
					("bitnami/mongodb") command='if [ -z "$MONGODB_USERNAME" ]; then mongo; else mongo -u "$MONGODB_USERNAME" -p "$MONGODB_PASSWORD" "$MONGODB_DATABASE"; fi'  ;;
					(centos/mongodb*) command='mongo -u "admin" -p "$MONGODB_ADMIN_PASSWORD" --authenticationDatabase admin'  ;;
					("redis" | "circleci/redis" | "bitnami/redis" | centos/redis*) command='echo -n "Enter DB Number to connect to (^[1-9][0-9]?$): " && read dbNum && redis-cli -n $dbNum' 
						if [[ "$imageName" == "bitnami/redis" ]] || [[ "$imageName" == "centos/redis"* ]]
						then
							command="if [ -z \$REDIS_PASSWORD ]; then $command; else $command -a \"\$REDIS_PASSWORD\"; fi" 
						fi ;;
					(*) command='sh' 
						command=" ash; if [ \"\$?\" -eq \"127\" ]; then $command; fi" 
						command="bash; if [ \"\$?\" -eq \"127\" ]; then $command; fi" 
						command=" zsh; if [ \"\$?\" -eq \"127\" ]; then $command; fi"  ;;
				esac
				command="sh -c '$command'" 
			fi
			eval "docker exec -it $name $command"
		fi
	fi
}