Function write_rootfs_image_file

crates/openshell-driver-vm/src/rootfs.rs:156–183

(
    image_path: &Path,
    guest_path: &str,
    contents: &[u8],
)

}

pub fn write_rootfs_image_file(
    image_path: &Path,
    guest_path: &str,
    contents: &[u8],
) -> Result<(), String> {
    ensure_rootfs_image_parent_dirs(image_path, guest_path);

    let tmp_path = temporary_injection_path(image_path);
    fs::write(&tmp_path, contents).map_err(|e| format!("write {}: {e}", tmp_path.display()))?;
    let Some(quoted_guest_path) = debugfs_quote_absolute_path(guest_path) else {
        let _ = fs::remove_file(&tmp_path);
        return Err(format!("invalid debugfs guest path '{guest_path}'"));
    };
    let Some(quoted_tmp_path) = debugfs_quote_argument(&tmp_path.to_string_lossy()) else {
        let _ = fs::remove_file(&tmp_path);
        return Err(format!(
            "invalid debugfs injection path '{}'",
            tmp_path.display()
        ));
    };
    let _ = run_debugfs(image_path, &format!("rm {quoted_guest_path}"));
    let result = run_debugfs(
        image_path,
        &format!("write {quoted_tmp_path} {quoted_guest_path}"),
    );
    let _ = fs::remove_file(&tmp_path);
    result
}

pub fn set_rootfs_image_file_mode(
    image_path: &Path,