Function ensure_parent_dir_restricted

crates/openshell-core/src/paths.rs:114–119

Ensure the parent directory of `path` exists with restricted permissions. Equivalent to `create_dir_restricted(path.parent())` but handles the case where `path` has no parent gracefully.

(path: &Path)

/// Equivalent to `create_dir_restricted(path.parent())` but handles the case
/// where `path` has no parent gracefully.
pub fn ensure_parent_dir_restricted(path: &Path) -> Result<()> {
    if let Some(parent) = path.parent() {
        create_dir_restricted(parent)?;
    }
    Ok(())
}

/// Check whether a file has permissions that are too open (group/other readable).
///