$ git clone -n https://src.fedoraproject.org/rpms/hypre.git /var/lib/mock/f40-build-2086468-50134/root/chroot_tmpdir/scmroot/hypre
Cloning into '/var/lib/mock/f40-build-2086468-50134/root/chroot_tmpdir/scmroot/hypre'...
$ git fetch origin a48f27d2447c014cd89fe703f3459076c85ba944:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hypre
 * [new ref]         a48f27d2447c014cd89fe703f3459076c85ba944 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a48f27d Fix my name