feat: 项目初始化

cmd/version.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+)
+
+// 编译时注入变量
+var (
+	Version   = "dev" // 默认版本
+	Commit    = "none"
+	BuildTime = "unknown"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "显示软件版本信息",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("netctl - 网络切换工具")
+		fmt.Printf("Version: %s\n", Version)
+		fmt.Printf("Commit: %s\n", Commit)
+		fmt.Printf("BuildTime: %s\n", BuildTime)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}