First Commmit

cmd/sing-box/cmd_check.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"context"
+
+	"github.com/sagernet/sing-box"
+	"github.com/sagernet/sing-box/log"
+
+	"github.com/spf13/cobra"
+)
+
+var commandCheck = &cobra.Command{
+	Use:   "check",
+	Short: "Check configuration",
+	Run: func(cmd *cobra.Command, args []string) {
+		err := check()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+	Args: cobra.NoArgs,
+}
+
+func init() {
+	mainCommand.AddCommand(commandCheck)
+}
+
+func check() error {
+	options, err := readConfigAndMerge()
+	if err != nil {
+		return err
+	}
+	ctx, cancel := context.WithCancel(globalCtx)
+	instance, err := box.New(box.Options{
+		Context: ctx,
+		Options: options,
+	})
+	if err == nil {
+		instance.Close()
+	}
+	cancel()
+	return err
+}