feat: version subcommand

Author: xiexianbin

README.md

@@ -176,3 +176,8 @@ xca create-ca --help
 xca sign --help
 
 ```
+
+
+1. readme
+2. 根据不同的系统，设置不同的目录
+3. version bug

cmd/root.go

@@ -18,11 +18,6 @@ import (
 	"os"
 
 	"github.com/spf13/cobra"
-	xca "go.xiexianbin.cn/x-ca"
-)
-
-var (
-	showVersion bool
 )
 
 // rootCmd represents the base command
@@ -41,22 +36,18 @@ Examples:
   xca create-ca --key-type ec --curve P256
   xca sign example.com --domains "example.com,www.example.com"
   xca sign 192.168.1.1 --ips "192.168.1.1"`,
-	PersistentPreRun: func(cmd *cobra.Command, args []string) {
-		if showVersion {
-			v := xca.GetVersion()
-			xca.PrintVersion("xca", v, false)
-			os.Exit(0)
-		}
+	Run: func(cmd *cobra.Command, args []string) {
+		// If no subcommand, show help
+		cmd.Help()
 	},
 }
 
 func init() {
-	rootCmd.PersistentFlags().BoolVar(&showVersion, "version", false, "show version information")
-
 	// Add subcommands
 	rootCmd.AddCommand(createCaCmd)
 	rootCmd.AddCommand(infoCmd)
 	rootCmd.AddCommand(signCmd)
+	rootCmd.AddCommand(versionCmd)
 }
 
 func initCommands() {

cmd/version.go

@@ -0,0 +1,30 @@
+/*
+Copyright © 2025 xiexianbin.cn
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"github.com/spf13/cobra"
+	xca "go.xiexianbin.cn/x-ca"
+)
+
+// versionCmd represents the version command
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Show version information",
+	Long:  `Show version information for XCA including build date, git commit, and platform details.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		v := xca.GetVersion()
+		xca.PrintVersion("xca", v, false)
+	},
+}

version.go

@@ -57,7 +57,7 @@ func GetVersion() Version {
 }
 
 func PrintVersion(cliName string, version Version, short bool) {
-	fmt.Printf("%s: %s\n", cliName, version.Version)
+	fmt.Printf("%s(https://github.com/x-ca/go-ca): %s\n", cliName, version.Version)
 	if short {
 		return
 	}