Function global_config_dir_from

atomic-config/src/lib.rs:429–434

Resolve the global config directory from an explicit override value. Split out so the override precedence is unit-testable without mutating process environment (which is racy and platform-sensitive).

(env_override: Option<std::ffi::OsString>)

/// Split out so the override precedence is unit-testable without mutating
/// process environment (which is racy and platform-sensitive).
fn global_config_dir_from(env_override: Option<std::ffi::OsString>) -> Option<PathBuf> {
    if let Some(dir) = env_override {
        return Some(PathBuf::from(dir));
    }
    dirs::home_dir().map(|p| p.join(".atomic"))
}

/// Get the global configuration file path
pub fn global_config_path() -> Option<PathBuf> {