$ git clone -n https://gitee.com/src-opencloudos-rpms/gnome-shell.git /var/lib/mock/dist-oc9-build-62899-16463/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/dist-oc9-build-62899-16463/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnome-shell
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ceba14 import gnome-shell-44.5-1.tl4