$ git clone -n https://gitee.com/src-opencloudos-rpms/gnome-desktop3 /var/lib/mock/dist-oc8-build-57919-15795/root/chroot_tmpdir/scmroot/gnome-desktop3
Cloning into '/var/lib/mock/dist-oc8-build-57919-15795/root/chroot_tmpdir/scmroot/gnome-desktop3'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnome-desktop3
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dd0279 import gnome-desktop3-3.32.2-3.tl3