$ git clone -n https://gitee.com/wenyuzifang/ffmpeg.git /var/lib/mock/dist-an23.5-build-562773-91503/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23.5-build-562773-91503/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin cfd5bbd36f948884083229f811d25eeeb5e3a7b7:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ffmpeg
 * [new ref]         cfd5bbd36f948884083229f811d25eeeb5e3a7b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfd5bbd [CVE] [Distro] add patch to fix CVE-2025-9951