$ git clone -n https://gitee.com/fundawang/mtools.git /var/lib/mock/dist-an23-build-184258-60380/root/chroot_tmpdir/scmroot/mtools
Cloning into '/var/lib/mock/dist-an23-build-184258-60380/root/chroot_tmpdir/scmroot/mtools'...
$ git fetch origin 6fa7eac3b4912902f7a66c9ba866175f95f9d6c4:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/mtools
 * [new ref]         6fa7eac3b4912902f7a66c9ba866175f95f9d6c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fa7eac 4.0.42