$ git clone -n https://src.fedoraproject.org/rpms/qpwgraph.git /var/lib/mock/f45-build-33986-676/root/chroot_tmpdir/scmroot/qpwgraph
Cloning into '/var/lib/mock/f45-build-33986-676/root/chroot_tmpdir/scmroot/qpwgraph'...
$ git fetch origin d8b7afa9209fcfeb36e68bcda51c7dacc58f4afc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qpwgraph
 * [new ref]         d8b7afa9209fcfeb36e68bcda51c7dacc58f4afc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8b7afa Update to 1.0.4