$ git clone -n https://src.fedoraproject.org/rpms/hypre.git /var/lib/mock/f42-build-3490746-45854/root/chroot_tmpdir/scmroot/hypre
Cloning into '/var/lib/mock/f42-build-3490746-45854/root/chroot_tmpdir/scmroot/hypre'...
$ git fetch origin c52b65b5890b65fd82be97c9cecdd28a7ad458d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hypre
 * [new ref]         c52b65b5890b65fd82be97c9cecdd28a7ad458d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c52b65b fix superlu lib locations