Add zsh completion for 'docker service {create,update} --tty'
@@ -1667,6 +1667,7 @@ __docker_service_subcommand() {
"($help)--restart-max-attempts=[Maximum number of restarts before giving up]:max-attempts: "
"($help)--restart-window=[Window used to evaluate the restart policy]:window: "
"($help)--stop-grace-period=[Time to wait before force killing a container]:grace period: "
+ "($help -t --tty)"{-t,--tty}"[Allocate a pseudo-TTY]"
"($help)--update-delay=[Delay between updates]:delay: "
"($help)--update-failure-action=[Action on update failure]:mode:(pause continue)"
"($help)--update-max-failure-ratio=[Failure rate to tolerate during an update]:fraction: "
