$ git clone -n https://src.fedoraproject.org/rpms/qpwgraph.git /var/lib/mock/f40-build-795154-139928/root/chroot_tmpdir/scmroot/qpwgraph
Cloning into '/var/lib/mock/f40-build-795154-139928/root/chroot_tmpdir/scmroot/qpwgraph'...
$ git fetch origin 61e53ce14641dc9a9b8dd6b3b4245e386075132d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qpwgraph
 * [new ref]         61e53ce14641dc9a9b8dd6b3b4245e386075132d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61e53ce Update to 0.6.2