$ git clone -n https://src.fedoraproject.org/rpms/hypre.git /var/lib/mock/f42-build-864875-172618/root/chroot_tmpdir/scmroot/hypre
Cloning into '/var/lib/mock/f42-build-864875-172618/root/chroot_tmpdir/scmroot/hypre'...
$ git fetch origin 3db6c9458279bbfea2604e7e00e5c1f129e2118b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hypre
 * [new ref]         3db6c9458279bbfea2604e7e00e5c1f129e2118b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3db6c94 Avoid make clean | Rebuild for MUMPS-5.7.3