$ git clone -n https://gitee.com/zhonglingh/ffmpeg.git /var/lib/mock/dist-an23-dde-build-347571-70377/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-dde-build-347571-70377/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 85b39906a9582c74549a1f9ef71dc3b3c1d1a7c0:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/ffmpeg
 * [new ref]         85b39906a9582c74549a1f9ef71dc3b3c1d1a7c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85b3990 upgrade to ffmpeg 6.1.1