$ git clone -n https://src.fedoraproject.org/rpms/grafana.git /var/lib/mock/f41-build-side-1-2834327-33683/root/chroot_tmpdir/scmroot/grafana
Cloning into '/var/lib/mock/f41-build-side-1-2834327-33683/root/chroot_tmpdir/scmroot/grafana'...
$ git fetch origin a83c749afa7ac8cd50ce112032c37e0cdc1a94b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grafana
 * [new ref]         a83c749afa7ac8cd50ce112032c37e0cdc1a94b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a83c749 fix selinux issue caused by unification of sbin and bin