code: func GoGet(pkg string, opts ...string) *exec.Cmd {
  	var cmd *exec.Cmd
  	turnOffMods(func() {
  		args := append([]string{"get"}, opts...)
  		args = append(args, pkg)
  		cmd = exec.Command(envy.Get("GO_BIN", "go"), args...)
  	})
  	return cmd
  }
docs: // GoGet downloads and installs packages and dependencies