How to use the asu.common.get_file_hash function in asu

), "Bad signature for cheksums"

        # openwrt-imagebuilder-ath79-generic.Linux-x86_64.tar.xz
        ib_search = re.search(
            r"^(.{64}) \*(openwrt-imagebuilder-.+?\.Linux-x86_64\.tar\.xz)$",
            sums_file.read_text(),
            re.MULTILINE,
        )

        assert ib_search, "No ImageBuilder in checksums found"

        ib_hash, ib_archive = ib_search.groups()

        download_file(ib_archive)

        assert ib_hash == get_file_hash(
            cache / ib_archive
        ), "Wrong ImageBuilder archive checksum"

        (cache / subtarget).mkdir(parents=True, exist_ok=True)
        extract_archive = subprocess.run(
            ["tar", "--strip-components=1", "-xf", ib_archive, "-C", subtarget],
            cwd=cache,
        )

        assert not extract_archive.returncode, "Extracting ImageBuilder archive failed"

        log.debug(f"Extracted TAR {ib_archive}")

        (cache / ib_archive).unlink()

        extra_repos = request["version_data"].get("extra_repos")