$ git clone -n https://gitee.com/geliwei/jbig2dec.git /var/lib/mock/dist-an23-build-551258-88923/root/chroot_tmpdir/scmroot/jbig2dec
Cloning into '/var/lib/mock/dist-an23-build-551258-88923/root/chroot_tmpdir/scmroot/jbig2dec'...
$ git fetch origin 254da2f69944de6f1e35a7eacc2a892b39138b91:KOJI_FETCH_HEAD
From https://gitee.com/geliwei/jbig2dec
 * [new ref]         254da2f69944de6f1e35a7eacc2a892b39138b91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 254da2f Fix CVE-2026-38076: integer overflow in jbig2_arith_iaid_ctx_new()