$ git clone -n https://gitee.com/src-opencloudos-rpms/gtk3.git /var/lib/mock/dist-oc9-la64-build-133418-78829/root/chroot_tmpdir/scmroot/gtk3
Cloning into '/var/lib/mock/dist-oc9-la64-build-133418-78829/root/chroot_tmpdir/scmroot/gtk3'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gtk3
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0312db import gtk3-3.24.38-7.tl4