Macro xbp_log 

macro_rules! xbp_log {
    (info, $command:expr, $message:expr) => { ... };
    (info, $command:expr, $message:expr, $details:expr) => { ... };
    (warning, $command:expr, $message:expr) => { ... };
    (error, $command:expr, $message:expr) => { ... };
    (success, $command:expr, $message:expr) => { ... };
    (debug, $command:expr, $message:expr) => { ... };
}

Convenience macro for logging