feat(cmd): add Run

Author: muthukrishnan24

cmd/cmd.go

@@ -3,11 +3,18 @@ package cmd
 
 import (
 	"fmt"
+	"os"
 
 	"github.com/conventionalcommit/commitlint/config"
 	"github.com/urfave/cli/v2"
 )
 
+// Run is shorthand for New and calling cmd.Run with os.Args
+func Run() error {
+	return New().Run(os.Args)
+}
+
+// New returns commitlint cli.App
 func New() *cli.App {
 	cmds := []*cli.Command{
 		initCmd(),

main.go

@@ -10,8 +10,7 @@ import (
 var errExitCode = 1
 
 func main() {
-	app := cmd.New()
-	err := app.Run(os.Args)
+	err := cmd.Run()
 	if err != nil {
 		fmt.Println("Error:", err)
 		os.Exit(errExitCode)