$ git clone -n https://gitee.com/src-opencloudos-rpms/gtk3.git /var/lib/mock/dist-oc9-build-61804-16463/root/chroot_tmpdir/scmroot/gtk3
Cloning into '/var/lib/mock/dist-oc9-build-61804-16463/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 8062c83 import gtk3-3.24.38-3.tl4.1