Add exit

src/cli.rs

@@ -217,8 +217,6 @@ impl std::ops::Try for LineResult {
 
 async fn process_line(readline: Result<String, ReadlineError>, ctx: &mut Context) -> LineResult {
     match &readline {
-        Ok(line) if line.trim() == "exit" => LineResult::Break,
-
         Ok(line) if line.trim() == "" => LineResult::Success(line.clone()),
 
         Ok(line) => {

src/commands/classified.rs

@@ -135,7 +135,11 @@ impl InternalCommand {
                     futures::future::ready(None)
                 }
                 CommandAction::Exit => {
-                    let _ = env.lock().unwrap().pop();
+                    let mut v = env.lock().unwrap();
+                    if v.len() == 1 {
+                        std::process::exit(0);
+                    }
+                    v.pop();
                     futures::future::ready(None)
                 }
             },