$ git clone -n https://src.fedoraproject.org/rpms/hpx.git /var/lib/mock/f31-build-114778-34470/root/chroot_tmpdir/scmroot/hpx
Cloning into '/var/lib/mock/f31-build-114778-34470/root/chroot_tmpdir/scmroot/hpx'...
$ git reset --hard 12df3c9f1e66f2548339d9ff92caa89310430c7d
HEAD is now at 12df3c9 Rebuilt for hwloc-2.0