Rationale: - `atty` is widely used in the Rust ecosystem - We already use it (in `rustc_errors` and other places) - We shouldn't be rolling our own TTY detector when there's a widely-used, well-tested package that we can use
Rationale: - `atty` is widely used in the Rust ecosystem - We already use it (in `rustc_errors` and other places) - We shouldn't be rolling our own TTY detector when there's a widely-used, well-tested package that we can use