$ git clone -n https://src.fedoraproject.org/rpms/hpx.git /var/lib/mock/f33-build-581259-66295/root/chroot_tmpdir/scmroot/hpx
Cloning into '/var/lib/mock/f33-build-581259-66295/root/chroot_tmpdir/scmroot/hpx'...
$ git reset --hard e81debc1acc3aeb987f3e275764fad5c79eb6f87
HEAD is now at e81debc Update to HPX 1.5.1