$ git clone -n https://src.fedoraproject.org/rpms/pybind11.git /var/lib/mock/f31-build-92723-32375/root/chroot_tmpdir/scmroot/pybind11
Cloning into '/var/lib/mock/f31-build-92723-32375/root/chroot_tmpdir/scmroot/pybind11'...
$ git reset --hard 631ea2ea724075466eec72623af8d51d544206f0
HEAD is now at 631ea2e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild