def write_image_manifest(d):
    from oe.rootfs import image_list_installed_packages
    from oe.utils import format_pkg_list

    deploy_dir = d.getVar('IMGDEPLOYDIR')
    link_name = d.getVar('IMAGE_LINK_NAME')
    manifest_name = d.getVar('IMAGE_MANIFEST')

    if not manifest_name:
        return

    pkgs = image_list_installed_packages(d)
    with open(manifest_name, 'w+') as image_manifest:
        image_manifest.write(format_pkg_list(pkgs, "ver"))

    if os.path.exists(manifest_name) and link_name:
        manifest_link = deploy_dir + "/" + link_name + ".manifest"
        if manifest_link != manifest_name:
            if os.path.lexists(manifest_link):
                os.remove(manifest_link)
            os.symlink(os.path.basename(manifest_name), manifest_link)

write_image_manifest(d)