use tracing_subscriber::layer::SubscriberExt;
pub fn init_rustc_env_logger() -> Result<(), Error> {
- init_rustc_env_logger_with_backtrace_option(&None)
-}
-
-pub fn init_rustc_env_logger_with_backtrace_option(
- backtrace_target: &Option<String>,
-) -> Result<(), Error> {
- init_env_logger_with_backtrace_option("RUSTC_LOG", backtrace_target)
+ init_env_logger("RUSTC_LOG")
}
/// In contrast to `init_rustc_env_logger` this allows you to choose an env var
/// other than `RUSTC_LOG`.
pub fn init_env_logger(env: &str) -> Result<(), Error> {
- init_env_logger_with_backtrace_option(env, &None)
-}
-
-pub fn init_env_logger_with_backtrace_option(
- env: &str,
- backtrace_target: &Option<String>,
-) -> Result<(), Error> {
let filter = match env::var(env) {
Ok(env) => EnvFilter::new(env),
_ => EnvFilter::default().add_directive(Directive::from(LevelFilter::WARN)),
let layer = layer.with_thread_ids(true).with_thread_names(true);
let subscriber = tracing_subscriber::Registry::default().with(filter).with(layer);
- match backtrace_target {
- Some(str) => {
+ match env::var(format!("{env}_BACKTRACE")) {
+ Ok(str) => {
let fmt_layer = tracing_subscriber::fmt::layer()
.with_writer(io::stderr)
.without_time()
let subscriber = subscriber.with(fmt_layer);
tracing::subscriber::set_global_default(subscriber).unwrap();
}
- None => {
+ Err(_) => {
tracing::subscriber::set_global_default(subscriber).unwrap();
}
};