$ git clone -n https://gitee.com/src-opencloudos-rpms/gnome-shell.git /var/lib/mock/dist-oc8-build-100125-62863/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/dist-oc8-build-100125-62863/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git fetch origin 415f7bdccf6912f41e16735fa95cc889911674d8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnome-shell
 * [new ref]         415f7bdccf6912f41e16735fa95cc889911674d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 415f7bd import gnome-shell-3.32.2-56.tl3