add manage command

cmd/synctime.go

@@ -0,0 +1,38 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/beevik/ntp"
+	"github.com/sagernet/sing-box/common/settings"
+	"github.com/spf13/cobra"
+)
+
+var ntpServer string
+
+var commandSyncTime = &cobra.Command{
+	Use:   "synctime",
+	Short: "Sync time from ntp server",
+	Args:  cobra.NoArgs,
+	Run:   synctimeHandle,
+}
+
+func init() {
+	commandSyncTime.Flags().StringVar(&ntpServer, "server", "time.apple.com", "ntp server")
+	command.AddCommand(commandSyncTime)
+}
+
+func synctimeHandle(_ *cobra.Command, _ []string) {
+	t, err := ntp.Time(ntpServer)
+	if err != nil {
+		fmt.Println(Err("get time from server error: ", err))
+		fmt.Println(Err("同步时间失败"))
+		return
+	}
+	err = settings.SetSystemTime(t)
+	if err != nil {
+		fmt.Println(Err("set system time error: ", err))
+		fmt.Println(Err("同步时间失败"))
+		return
+	}
+	fmt.Println(Ok("同步时间成功"))
+}