moved version to --version flag of Cobra

Signed-off-by: Andreas Ulm <andreas.ulm@root360.de>

cmd/root.go

@@ -7,6 +7,7 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"strings"
 
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/cobra"
@@ -15,6 +16,12 @@ import (
 
 var cfgFile string
 
+// Version holds the current Gitea version
+var Version = "0.1.0-dev"
+
+// Tags holds the build tags used
+var Tags = ""
+
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:   "tea",
@@ -40,6 +47,10 @@ func init() {
 	// Cobra supports persistent flags, which, if defined here,
 	// will be global for your application.
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.tea/tea.yaml)")
+	if len(Tags) > 0 {
+		Version += " built with: " + strings.Replace(Tags, " ", ", ", -1)
+	}
+	rootCmd.Version = Version
 }
 
 // initConfig reads in config file and ENV variables if set.

cmd/version.go

@@ -1,35 +0,0 @@
-// Copyright © 2019 The Gitea Authors. All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-
-package cmd
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/spf13/cobra"
-)
-
-// Version holds the current Gitea version
-var Version = "0.1.0-dev"
-
-// Tags holds the build tags used
-var Tags = ""
-
-// versionCmd represents the version command
-var versionCmd = &cobra.Command{
-	Use:   "version",
-	Short: "Print version",
-	Long: ``,
-	Run: func(cmd *cobra.Command, args []string) {
-		if len(Tags) > 0 {
-			Version += " built with: " + strings.Replace(Tags, " ", ", ", -1)
-		}
-		fmt.Println("Version " + Version)
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(versionCmd)
-}