Command quiet-down

java -jar jenkins-cli.jar -s https://ci.inria.fr/ocaml/ quiet-down [-block] [-reason VAL] [-timeout N]

Quiet down Jenkins, in preparation for a restart. Don’t start any builds.

 -block      : Block until the system really quiets down and no builds are
               running (default: false)
 -reason VAL : Reason for quiet down that will be visible to users
 -timeout N  : If non-zero, only block up to the specified number of
               milliseconds (default: 0)