$ git clone -n https://src.fedoraproject.org/rpms/python-elasticsearch.git /var/lib/mock/f41-build-side-2-python-2693833-30279/root/chroot_tmpdir/scmroot/python-elasticsearch
Cloning into '/var/lib/mock/f41-build-side-2-python-2693833-30279/root/chroot_tmpdir/scmroot/python-elasticsearch'...
$ git fetch origin 19077ccf4d2db9578d7af2b9b6da210e5346822c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-elasticsearch
 * [new ref]         19077ccf4d2db9578d7af2b9b6da210e5346822c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19077cc missing doc added