cli: Change autolock flag description

This change incorporates feedback from @thaJeztah in the PR that added
the autolock flag. It changes the descriptions to be different for
"swarm init" and "swarm update" so that the boolean nature so that the
purpose of the flag in both contexts is clearer.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>

command/swarm/init.go

@@ -40,6 +40,7 @@ func newInitCommand(dockerCli *command.DockerCli) *cobra.Command {
 	flags.Var(&opts.listenAddr, flagListenAddr, "Listen address (format: <ip|interface>[:port])")
 	flags.StringVar(&opts.advertiseAddr, flagAdvertiseAddr, "", "Advertised address (format: <ip|interface>[:port])")
 	flags.BoolVar(&opts.forceNewCluster, "force-new-cluster", false, "Force create a new cluster from current state")
+	flags.BoolVar(&opts.autolock, flagAutolock, false, "Enable manager autolocking (requiring an unlock key to start a stopped manager)")
 	addSwarmFlags(flags, &opts.swarmOptions)
 	return cmd
 }

command/swarm/opts.go

@@ -176,7 +176,6 @@ func addSwarmFlags(flags *pflag.FlagSet, opts *swarmOptions) {
 	flags.Var(&opts.externalCA, flagExternalCA, "Specifications of one or more certificate signing endpoints")
 	flags.Uint64Var(&opts.maxSnapshots, flagMaxSnapshots, 0, "Number of additional Raft snapshots to retain")
 	flags.Uint64Var(&opts.snapshotInterval, flagSnapshotInterval, 10000, "Number of log entries between Raft snapshots")
-	flags.BoolVar(&opts.autolock, flagAutolock, false, "Enable or disable manager autolocking (requiring an unlock key to start a stopped manager)")
 }
 
 func (opts *swarmOptions) mergeSwarmSpec(spec *swarm.Spec, flags *pflag.FlagSet) {

command/swarm/update.go

@@ -25,6 +25,7 @@ func newUpdateCommand(dockerCli *command.DockerCli) *cobra.Command {
 		},
 	}
 
+	cmd.Flags().BoolVar(&opts.autolock, flagAutolock, false, "Change manager autolocking setting (true|false)")
 	addSwarmFlags(cmd.Flags(), &opts)
 	return cmd
 }