Merge pull request #23 from Ph0enixKM/A32

A32 Fix: Nested command evaluation

src/cli/mod.rs

@@ -123,6 +123,15 @@ mod tests {
  assert_eq!(cli.test_eval(code).trim(), "Hello World");
  }
 
+ #[test]
+ fn command_inception() {
+ let cli = CLI::new();
+ let code = "
+ ${${${$echo Hello World$}$}$}$
+ ";
+ assert_eq!(cli.test_eval(code).trim(), "Hello World");
+ }
+
  #[test]
  fn comment() {
  let cli = CLI::new();

src/modules/command/statement.rs

@@ -39,6 +39,12 @@ impl TranslateModule for CommandStatement {
  let interps = self.interps.iter()
  .map(|item| item.translate(meta))
  .collect::<Vec<String>>();
- translate_interpolated_region(self.strings.clone(), interps, false)
+ let mut translation = translate_interpolated_region(self.strings.clone(), interps, false);
+ // Strip down all the inner command interpolations [A32]
+ while translation.starts_with("$(") {
+ let end = translation.len() - 1;
+ translation = translation.get(2..end).unwrap().to_string();
+ }
+ translation
  }
 }