Function gateway_env_override_warning

crates/openshell-cli/src/run.rs:604–613

(selected_name: &str)

}

fn gateway_env_override_warning(selected_name: &str) -> Option<String> {
    let env_name = std::env::var("OPENSHELL_GATEWAY").ok()?;
    if env_name.is_empty() || env_name == selected_name {
        return None;
    }

    Some(format!(
        "OPENSHELL_GATEWAY={env_name} is set and will override this selection.\n  Unset it or run: export OPENSHELL_GATEWAY={selected_name}"
    ))
}

pub fn gateway_select(name: Option<&str>, gateway_flag: &Option<String>) -> Result<()> {
    let interactive = std::io::stdin().is_terminal() && std::io::stdout().is_terminal();