$ git clone -n https://gitee.com/wenyuzifang/ffmpeg.git /var/lib/mock/dist-an23.5-build-570469-92601/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23.5-build-570469-92601/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 9d6a71d0267f2e79590888a8616a053f72a36e71:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ffmpeg
 * [new ref]         9d6a71d0267f2e79590888a8616a053f72a36e71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d6a71d [CVE] [Upstream] add patch to fix CVE-2026-8461