xtask/src/main.rs


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use std::process::Command;

fn main()
{
    let mut args = std::env::args();

    let Some(task) = args.nth(1) else {
        println!("Error: No task is specified");
        return;
    };

    if task == "execute" {
        let Some(program) = args.next() else {
            println!("Error: No program is specified");
            return;
        };

        if let Err(err) = Command::new(program).args(args).status() {
            println!("Error: Failed to execute command: {err}");
        }
    } else {
        println!("Error: Unknown task '{task}'");
    }
}