$ git clone -n https://gitee.com/src-opencloudos-rpms/gnome-themes-extra.git /var/lib/mock/dist-oc9-build-41419-14591/root/chroot_tmpdir/scmroot/gnome-themes-extra
Cloning into '/var/lib/mock/dist-oc9-build-41419-14591/root/chroot_tmpdir/scmroot/gnome-themes-extra'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnome-themes-extra
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13b4d39 import gnome-themes-extra-3.28-3.tl4