$ git clone -n https://gitee.com/alpha-wang/ffmpeg.git /var/lib/mock/dist-an23-dde-build-394876-71812/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-dde-build-394876-71812/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 5dd24d9e176fc2a984e5ef8df8b114ceaa0edca8:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/ffmpeg
 * [new ref]         5dd24d9e176fc2a984e5ef8df8b114ceaa0edca8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5dd24d9 fix CVE-2023-50010