chore: add custom panic message
@@ -1444,11 +1444,29 @@ fn get_subcommand(
}
}
-fn setup_exit_process_panic_hook() {
- // tokio does not exit the process when a task panics, so we
- // define a custom panic hook to implement this behaviour
+fn setup_panic_hook() {
+ // This function does two things inside of the panic hook:
+ // - Tokio does not exit the process when a task panics, so we define a custom
+ // panic hook to implement this behaviour.
+ // - We print a message to stderr to indicate that this is a bug in Deno, and
+ // should be reported to us.
let orig_hook = std::panic::take_hook();
std::panic::set_hook(Box::new(move |panic_info| {
+ eprintln!("\n============================================================");
+ eprintln!("Deno has panicked. This is a bug in Deno. Please report this");
+ eprintln!("at https://github.com/denoland/deno/issues/new.");
+ eprintln!("If you can reliably reproduce this panic, include the");
+ eprintln!("reproduction steps and re-run with the RUST_BACKTRACE=1 env");
+ eprintln!("var set and include the backtrace in your report.");
+ eprintln!();
+ eprintln!(
+ "Platform: {} {}",
+ std::env::consts::OS,
+ std::env::consts::ARCH
+ );
+ eprintln!("Version: {}", version::deno());
+ eprintln!("Args: {:?}", std::env::args().collect::<Vec<_>>());
+ eprintln!();
orig_hook(panic_info);
std::process::exit(1);
}));
@@ -1465,7 +1483,7 @@ fn unwrap_or_exit<T>(result: Result<T, AnyError>) -> T {
}
pub fn main() {
- setup_exit_process_panic_hook();
+ setup_panic_hook();
unix_util::raise_fd_limit();
windows_util::ensure_stdio_open();
