Function which_tracedecay_from

src/agents/mod.rs:749–772

(
    current_exe: Option<&Path>,
    path_var: Option<&std::ffi::OsStr>,
    cargo_target_dir: Option<&Path>,
)

}

fn which_tracedecay_from(
    current_exe: Option<&Path>,
    path_var: Option<&std::ffi::OsStr>,
    cargo_target_dir: Option<&Path>,
) -> Option<String> {
    if let Some(exe) = current_exe
        .filter(|exe| is_tracedecay_exe(exe) && !is_cargo_target_binary(exe, cargo_target_dir))
    {
        return Some(normalize_path_separators(&exe.to_string_lossy()));
    }

    let path_match = path_var.and_then(|path_var| {
        std::env::split_paths(path_var).find_map(|dir| {
            let candidate = dir.join(tracedecay_bin_name());
            (candidate.exists() && !is_cargo_target_binary(&candidate, cargo_target_dir))
                .then(|| normalize_path_separators(&candidate.to_string_lossy()))
        })
    });
    path_match.or_else(|| {
        current_exe
            .filter(|exe| is_tracedecay_exe(exe))
            .map(|exe| normalize_path_separators(&exe.to_string_lossy()))
    })
}

fn tracedecay_bin_name() -> String {
    format!("tracedecay{}", std::env::consts::EXE_SUFFIX)