$ git clone -n https://gitee.com/wenyuzifang/ffmpeg.git /var/lib/mock/dist-an23-build-570532-92560/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-build-570532-92560/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin a8f01e27f075d99568da08309e398f5f4e04e54f:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ffmpeg
 * [new ref]         a8f01e27f075d99568da08309e398f5f4e04e54f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8f01e2 [CVE] [Upstream] add patch to fix CVE-2026-40962