$ git clone -n https://gitee.com/lzq11122/ffmpeg.git /var/lib/mock/dist-an23-epao-build-447315-73365/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/dist-an23-epao-build-447315-73365/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 48b0c53072a1e6c6880ca3559771aa907b8151f4:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/ffmpeg
 * [new ref]         48b0c53072a1e6c6880ca3559771aa907b8151f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48b0c53 test