fn config_file()

in src/config.rs [926:944]

• 16 lines of code
• 4 McCabe index (conditional complexity)

fn config_file(env_var: &str, leaf: &str) -> PathBuf {
    if let Some(env_value) = env::var_os(env_var) {
        return env_value.into();
    }
    let dirs =
        ProjectDirs::from("", ORGANIZATION, APP_NAME).expect("Unable to get config directory");
    // If the new location exists, use that.
    let path = dirs.config_dir().join(leaf);
    if path.exists() {
        return path;
    }
    // If the old location exists, use that.
    let path = dirs.preference_dir().join(leaf);
    if path.exists() {
        return path;
    }
    // Otherwise, use the new location.
    dirs.config_dir().join(leaf)
}