feat: rick rolls now get randomly selected

src/builtins/rick.rs

@@ -1,5 +1,6 @@
 use crate::builtins::{Builtin, BuiltinConfig};
 use crate::error::ShellError;
+use rand::Rng;
 use webbrowser;
 
 
@@ -7,7 +8,16 @@ pub struct Rick;
 
 impl Builtin for Rick {
     fn execute(&mut self, _: &mut BuiltinConfig, _: Vec<String>) -> Result<(), ShellError> {
-        webbrowser::open("https://www.youtube.com/watch?v=dQw4w9WgXcQ").expect("cant open website",);
+        const RICK_ROLLS: &[&str] = &[
+            ("https://www.youtube.com/watch?v=dQw4w9WgXcQ"),
+            ("https://www.youtube.com/watch?v=MO7bRMa9bmA&t"),
+            ("https://www.youtube.com/watch?v=cvh0nX08nRw"),
+            ("https://www.youtube.com/watch?v=JVzVat71LKg"),
+            ("https://www.youtube.com/watch?v=hvL1339luv0")
+        ];
+        let mut rng = rand::thread_rng();
+        let rick = RICK_ROLLS[rng.gen_range(0..RICK_ROLLS.len())];
+        webbrowser::open(rick).expect("cant open website",);
         Ok(())
     }
 }