$ git clone -n https://src.fedoraproject.org/rpms/grafana-pcp.git /var/lib/mock/f43-build-60948151-6586612/root/chroot_tmpdir/scmroot/grafana-pcp
Cloning into '/var/lib/mock/f43-build-60948151-6586612/root/chroot_tmpdir/scmroot/grafana-pcp'...
$ git fetch origin 093554f84c93ccc0f18243bc5f4aa5314ed755c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grafana-pcp
 * [new ref]         093554f84c93ccc0f18243bc5f4aa5314ed755c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 093554f Rebase to upstream v5.3.0