fn work()

in focus/util/src/sandbox_command.rs [302:327]

• 17 lines of code
• 3 McCabe index (conditional complexity)

    fn work(description: String, file: File, cancel_rx: mpsc::Receiver<()>) {
        let buffered_reader = BufReader::new(file);
        let mut lines = buffered_reader.lines();
        let span = info_span!("Output", command=?description);
        let _guard = span.enter();

        while cancel_rx.try_recv().is_err() {
            while let Some(Ok(line)) = lines.next() {
                // A carriage return at the end of the line is often used for
                // interactive applications to update the line of output which
                // is already present in the terminal. We can't do that here
                // because we immediately overwrite the just-printed line with
                // information about the parameters in `info!`. Instead,
                // simulate clearing the line which removing anything that
                // appears before a `\r` and strip the last one.
                let line = line
                    .trim_end_matches('\r')
                    .split('\r')
                    .last()
                    .unwrap_or_default();

                info!("{}", line);
            }
            std::thread::sleep(Duration::from_millis(50));
        }
    }