$ git clone -n https://gitee.com/wenyuzifang/python-jinja2.git /var/lib/mock/dist-an23-build-486324-74383/root/chroot_tmpdir/scmroot/python-jinja2
Cloning into '/var/lib/mock/dist-an23-build-486324-74383/root/chroot_tmpdir/scmroot/python-jinja2'...
$ git fetch origin b206232d419f6ef6af8327ac1792f06fe0b882d6:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-jinja2
 * [new ref]         b206232d419f6ef6af8327ac1792f06fe0b882d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b206232 Update code from upstream