$ git clone -n https://gitee.com/wenyuzifang/ffmpeg.git /var/lib/mock/dist-an23.5-build-570512-92601/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23.5-build-570512-92601/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin b4953c20d224b4eba4c5f1481183d05f2b83ab05:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ffmpeg
 * [new ref]         b4953c20d224b4eba4c5f1481183d05f2b83ab05 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4953c2 [CVE] [Upstream] add patch to fix CVE-2025-7700