copy exit status of build command

src/main.rs

@@ -12,10 +12,13 @@ fn main() {
 	let cmd = &args[1];
 
 	println!("starting build");
-	let process = Command::new(cmd).args(&args[2..]).status();
-
+	let exit_status = Command::new(cmd).args(&args[2..]).status();
 	println!("\n");
-	println!("{:?}", process);
 	let time_taken = start_time.elapsed().unwrap();
 	println!("Took {:?}", time_taken);
+
+	println!("{:?}", exit_status);
+	if let Some(status) = exit_status.ok().and_then(|s| s.code()) {
+		std::process::exit(status);
+	}
 }