Add basic cli

cmd/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"os"
+	"time"
+
+	"github.com/sagernet/sing-box/log"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	workingDir   string
+	disableColor bool
+)
+
+var mainCommand = &cobra.Command{
+	Use:              "hiddify-next",
+	PersistentPreRun: preRun,
+}
+
+func init() {
+	mainCommand.PersistentFlags().StringVarP(&workingDir, "directory", "D", "", "set working directory")
+	mainCommand.PersistentFlags().BoolVarP(&disableColor, "disable-color", "", false, "disable color output")
+}
+
+func main() {
+	if err := mainCommand.Execute(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func preRun(cmd *cobra.Command, args []string) {
+	if disableColor {
+		log.SetStdLogger(log.NewFactory(log.Formatter{BaseTime: time.Now(), DisableColors: true}, os.Stderr, nil).Logger())
+	}
+	if workingDir != "" {
+		_, err := os.Stat(workingDir)
+		if err != nil {
+			os.MkdirAll(workingDir, 0o777)
+		}
+		if err := os.Chdir(workingDir); err != nil {
+			log.Fatal(err)
+		}
+	}
+}