using indicatif and the log crate

[djugei]

This is not an issue but instructions on how you can log messages and have a progress bar at the same time.
its an issue that comes up sometimes: #366 #92 #474 #27 possibly #474

You create a global MultiProgress, and then you just need to make your logging implementation, in this example env_logger use that (or rather its println function) as write target. to do so we utilize the pipe crate, but it would also be possible to use a ring buffer or something else:

let (read, write) = pipe::pipe();
env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info"))
    .target(env_logger::Target::Pipe(Box::new(write)))
    .init();

let multi = MultiProgress::new();

{
    let m = multi.clone();
    std::thread::spawn(move || {
        let br = std::io::BufReader::new(read);
        for line in br.lines() {
            let line = line.unwrap();
            m.println(&line);
        }
    });
}

then you simply add all your progress bars to the gobal multi and things just work.

i will probably turn this into an example soon.
it should be somewhat simple to actually have MultiProgress (or a wrapper of it) to implement the Log trait. i might send a pr for that in a week valve time.

[djugei]

probably better served by #570