$ git clone -n https://gitee.com/wency_cn/guestfs-tools_1770940340.git /var/lib/mock/dist-an23-build-514331-75110/root/chroot_tmpdir/scmroot/guestfs-tools_1770940340
Cloning into '/var/lib/mock/dist-an23-build-514331-75110/root/chroot_tmpdir/scmroot/guestfs-tools_1770940340'...
$ git fetch origin 967b0a0a8590a7f8c32211181f2f19312c324235:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/guestfs-tools_1770940340
 * [new ref]         967b0a0a8590a7f8c32211181f2f19312c324235 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 967b0a0 Update code from upstream