$ git clone -n https://gitee.com/src-opencloudos-rpms/python-jinja2.git /var/lib/mock/dist-oc8-build-81758-55937/root/chroot_tmpdir/scmroot/python-jinja2
Cloning into '/var/lib/mock/dist-oc8-build-81758-55937/root/chroot_tmpdir/scmroot/python-jinja2'...
$ git fetch origin 3b697764947c8d6ea392b13c7b5e5e3e0159412c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-jinja2
 * [new ref]         3b697764947c8d6ea392b13c7b5e5e3e0159412c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b69776 import python-jinja2-2.10.1-5.tl3