$ git clone -n https://gitee.com/src-opencloudos-rpms/python-jinja2.git /var/lib/mock/dist-oc9-build-60813-16463/root/chroot_tmpdir/scmroot/python-jinja2
Cloning into '/var/lib/mock/dist-oc9-build-60813-16463/root/chroot_tmpdir/scmroot/python-jinja2'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-jinja2
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1dcd027 import python-jinja2-3.1.2-1.tl4