$ git clone -n https://src.fedoraproject.org/rpms/R-Bessel.git /var/lib/mock/f31-build-84803-31580/root/chroot_tmpdir/scmroot/R-Bessel
Cloning into '/var/lib/mock/f31-build-84803-31580/root/chroot_tmpdir/scmroot/R-Bessel'...
$ git reset --hard b8d9c0e86c5a08eea0acb43b849f33a9e73f9991
HEAD is now at b8d9c0e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild