$ git clone -n https://src.fedoraproject.org/rpms/grafana.git /var/lib/mock/f39-build-2038100-48126/root/chroot_tmpdir/scmroot/grafana
Cloning into '/var/lib/mock/f39-build-2038100-48126/root/chroot_tmpdir/scmroot/grafana'...
$ git fetch origin 51103637cb8ed53f3c4a43f85febb76bc1eea7b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grafana
 * [new ref]         51103637cb8ed53f3c4a43f85febb76bc1eea7b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5110363 Fix coredump caused by selinux denial