Function write_pe_to_esp 

fn write_pe_to_esp(
    repo: &Repository<Sha512HashValue>,
    file: &RegularFile<Sha512HashValue>,
    file_path: &Utf8Path,
    pe_type: PEType,
    uki_id: &Sha512HashValue,
    is_insecure_from_opts: bool,
    mounted_efi: impl AsRef<Path>,
    bootloader: &Bootloader,
) -> Result<Option<UKIInfo>>

Writes a PortableExecutable to ESP along with any PE specific or Global addons