$ git clone -n https://gitee.com/yangjinlin01/ffmpeg.git /var/lib/mock/dist-an23-epao-build-428577-73029/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-epao-build-428577-73029/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin dd598b2aeaabbe112080bc08a403eafbf52e7758:KOJI_FETCH_HEAD
From https://gitee.com/yangjinlin01/ffmpeg
 * [new ref]         dd598b2aeaabbe112080bc08a403eafbf52e7758 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd598b2 [CVE] FIX CVE-2023-50007