$ git clone -n https://gitee.com/wenyuzifang/ffmpeg.git /var/lib/mock/dist-an23-build-566226-91873/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-build-566226-91873/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 34ca01b49d392d438331c39c6d434ba463bdc33b:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ffmpeg
 * [new ref]         34ca01b49d392d438331c39c6d434ba463bdc33b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34ca01b [CVE] [Distro] add patch to fix CVE-2025-7700