$ git clone -n https://gitee.com/src-opencloudos-rpms/guestfs-tools.git /var/lib/mock/dist-oc9-build-72496-47814/root/chroot_tmpdir/scmroot/guestfs-tools
Cloning into '/var/lib/mock/dist-oc9-build-72496-47814/root/chroot_tmpdir/scmroot/guestfs-tools'...
$ git fetch origin 7acc7d88f142b67623c40264375647a32551a4e1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/guestfs-tools
 * [new ref]         7acc7d88f142b67623c40264375647a32551a4e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7acc7d8 import guestfs-tools-1.51.4-3.tl4