$ git clone -n https://src.fedoraproject.org/rpms/grafana.git /var/lib/mock/f40-build-2246421-53812/root/chroot_tmpdir/scmroot/grafana
Cloning into '/var/lib/mock/f40-build-2246421-53812/root/chroot_tmpdir/scmroot/grafana'...
$ git fetch origin 0a301faf67f988456700838b1a2a434c8b039fee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grafana
 * [new ref]         0a301faf67f988456700838b1a2a434c8b039fee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a301fa Fix postgresql AVC denials