c1 = c2
		c2 = c3
		c3 = bgetc(f)
		if c3 == -1 {
			Errorf(nil, "truncated object file: %s", pn)
			return nil
		}
	}

	import1 := f.Offset()

	f.MustSeek(import0, 0)
	ldpkg(ctxt, f, lib, import1-import0-2, pn) // -2 for !\n
	f.MustSeek(import1, 0)

	fingerprint := ctxt.loader.Preload(ctxt.IncVersion(), f, lib, unit, eof-f.Offset())

  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
  chmod a+r /etc/apt/keyrings/docker.gpg

  # shellcheck disable=SC2027 disable=SC2046
  echo \
    "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
    "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
    tee /etc/apt/sources.list.d/docker.list > /dev/null

				"application/vnd.wv.ssp+xml",
				"application/vnd.xara",
				"application/vnd.xfdl",
				"application/vnd.xfdl.webform",
				"application/vnd.xmi+xml",
				"application/vnd.xmpie.cpkg",
				"application/vnd.xmpie.dpkg",
				"application/vnd.xmpie.plan",
				"application/vnd.xmpie.ppkg",
				"application/vnd.xmpie.xlim",
				"application/vnd.yamaha.hv-dic",
				"application/vnd.yamaha.hv-script",