$ git clone -n https://gitee.com/yangjinlin01/ffmpeg.git /var/lib/mock/dist-an23-epao-build-428581-73029/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-epao-build-428581-73029/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 384d8d425ef99438588c98f8d6a8c2ca62755f82:KOJI_FETCH_HEAD
From https://gitee.com/yangjinlin01/ffmpeg
 * [new ref]         384d8d425ef99438588c98f8d6a8c2ca62755f82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 384d8d4 [CVE] FIX CVE-2023-50007 CVE-2023-50008