Server: Fix 'server' subcommand double-registration (#86083)

fix 'server' subcommand double-registration

Signed-off-by: Dave Henderson <dave.henderson@grafana.com>

pkg/cmd/grafana/main.go

@@ -20,7 +20,18 @@ var buildBranch = "main"
 var buildstamp string
 
 func main() {
-	app := &cli.App{
+	app := MainApp()
+
+	if err := app.Run(os.Args); err != nil {
+		fmt.Printf("%s: %s %s\n", color.RedString("Error"), color.RedString("✗"), err)
+		os.Exit(1)
+	}
+
+	os.Exit(0)
+}
+
+func MainApp() *cli.App {
+	return &cli.App{
 		Name:  "grafana",
 		Usage: "Grafana server and command line interface",
 		Authors: []*cli.Author{
@@ -52,18 +63,10 @@ func main() {
 					return nil
 				},
 			},
-			gsrv.ServerCommand(version, commit, enterpriseCommit, buildBranch, buildstamp),
 		},
 		CommandNotFound:      cmdNotFound,
 		EnableBashCompletion: true,
 	}
-
-	if err := app.Run(os.Args); err != nil {
-		fmt.Printf("%s: %s %s\n", color.RedString("Error"), color.RedString("✗"), err)
-		os.Exit(1)
-	}
-
-	os.Exit(0)
 }
 
 func cmdNotFound(c *cli.Context, command string) {

pkg/cmd/grafana/main_test.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestMainApp_NoDuplicateSubcommands(t *testing.T) {
+	app := MainApp()
+	found := map[string]bool{}
+	for _, cmd := range app.Commands {
+		require.False(t, found[cmd.Name], "command %q registered twice", cmd.Name)
+		found[cmd.Name] = true
+	}
+}