move cobra mutation and document it

cmd/gh/main.go

@@ -61,6 +61,10 @@ func main() {
 		}
 	}
 
+	// Enable running gh from explorer.exe. Without this, the user is told to stop and run from a
+	// terminal. With this, a user can clone a repo (or take other actions) directly from explorer.
+	cobra.MousetrapHelpText = ""
+
 	rootCmd := root.NewCmdRoot(cmdFactory, command.Version, command.BuildDate)
 
 	cfg, err := cmdFactory.Config()

pkg/cmd/root/root.go

@@ -25,8 +25,6 @@ import (
 )
 
 func NewCmdRoot(f *cmdutil.Factory, version, buildDate string) *cobra.Command {
-	cobra.MousetrapHelpText = ""
-
 	cmd := &cobra.Command{
 		Use:   "gh <command> <subcommand> [flags]",
 		Short: "GitHub CLI",