check for update in background (#13889)

cmd/common-main.go

@@ -307,7 +307,7 @@ func checkUpdate(mode string) {
 		return
 	}
 
-	logStartupMessage(prepareUpdateMessage("Run `mc admin update`", lrTime.Sub(crTime)))
+	logStartupMessage(prepareUpdateMessage("\nRun `mc admin update`", lrTime.Sub(crTime)))
 }
 
 func newConfigDirFromCtx(ctx *cli.Context, option string, getDefaultDir func() string) (*ConfigDir, bool) {

cmd/gateway-main.go

@@ -335,11 +335,13 @@ func StartGateway(ctx *cli.Context, gw Gateway) {
 	// - compression
 	verifyObjectLayerFeatures("gateway "+gatewayName, newObject)
 
-	// Prints the formatted startup message once object layer is initialized.
+	// Check for updates in non-blocking manner.
+	go func() {
 		if !globalCLIContext.Quiet && !globalInplaceUpdateDisabled {
-		// Check update mode.
+			// Check for new updates from dl.min.io.
-		checkUpdate(globalMinioModeGatewayPrefix + gatewayName)
+			checkUpdate(getMinioMode())
 		}
+	}()
 
 	if !globalCLIContext.Quiet {
 		// Print gateway startup message.

cmd/server-main.go

@@ -460,10 +460,13 @@ func serverMain(ctx *cli.Context) {
 		}
 	}
 
+	// Check for updates in non-blocking manner.
+	go func() {
 		if !globalCLIContext.Quiet && !globalInplaceUpdateDisabled {
 			// Check for new updates from dl.min.io.
 			checkUpdate(getMinioMode())
 		}
+	}()
 
 	if !globalActiveCred.IsValid() && globalIsDistErasure {
 		globalActiveCred = auth.DefaultCredentials