kona_cli/
backtrace.rs

1//! Helper to set the backtrace env var.
2
3/// Sets the RUST_BACKTRACE environment variable to 1 if it is not already set.
4pub fn enable() {
5    // Enable backtraces unless a RUST_BACKTRACE value has already been explicitly provided.
6    if std::env::var_os("RUST_BACKTRACE").is_none() {
7        // We accept the risk that another process may set RUST_BACKTRACE at the same time.
8        unsafe { std::env::set_var("RUST_BACKTRACE", "1") };
9    }
10}