$ git clone -n https://gitee.com/wenyuzifang/ffmpeg.git /var/lib/mock/dist-an23-build-564015-91743/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-build-564015-91743/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin b4291d68745eaff4c78ab778bfc48b2c6680bee4:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ffmpeg
 * [new ref]         b4291d68745eaff4c78ab778bfc48b2c6680bee4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4291d6 [CVE] [Distro] add patch to fix CVE-2025-22919