Function inject_guest_sandbox_token

crates/openshell-driver-vm/src/driver.rs:4671–4675

(overlay_disk: &Path, token: &str)

}

fn inject_guest_sandbox_token(overlay_disk: &Path, token: &str) -> Result<(), String> {
    let token_path = overlay_upper_path(GUEST_SANDBOX_TOKEN_PATH);
    write_rootfs_image_file(overlay_disk, &token_path, format!("{token}\n").as_bytes())?;
    set_rootfs_image_file_mode(overlay_disk, &token_path, 0o600)
}

#[allow(clippy::result_large_err)]
fn inject_guest_init_dropins(