$ git clone -n https://src.fedoraproject.org/rpms/qpwgraph.git /var/lib/mock/f41-build-844091-162315/root/chroot_tmpdir/scmroot/qpwgraph
Cloning into '/var/lib/mock/f41-build-844091-162315/root/chroot_tmpdir/scmroot/qpwgraph'...
$ git fetch origin 5b9b7fdf8dafa26150e267e07e0a9663c88af046:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qpwgraph
 * [new ref]         5b9b7fdf8dafa26150e267e07e0a9663c88af046 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b9b7fd Update to 0.7.5