message: Add interactive option to improve compatibility with other shells
  Fixes shell invocation for programs, requesting interactive session
  with '-i' command.
  See
diff: @@ -26,6 +26,7 @@ fn main() {
  let mut args = env::args().skip(1);
  let mut script_path = None;
  let mut key_bindings = None;
  + let mut force_interactive = false;
  while let Some(arg) = args.next() {
  match arg.as_str() {
  "-o" => match args.next().as_ref().map(|s| s.as_str()) {
  @@ -51,6 +52,7 @@ fn main() {
  println!("{}", MAN_ION);
  return;
  }
  + "-i" | "--interactive" => force_interactive = true,
  _ => {
  script_path = Some(arg);
  break;
  @@ -75,7 +77,7 @@ fn main() {
  shell.execute_script(command.as_bytes());
  } else if let Some(path) = script_path {
  shell.execute_file(&path.as_str());
  - } else if stdin_is_a_tty {
  + } else if stdin_is_a_tty || force_interactive {
  let mut interactive = InteractiveBinary::new(shell);
  if let Some(key_bindings) = key_bindings {
  interactive.set_keybindings(key_bindings);
  