$ git clone -n https://src.fedoraproject.org/rpms/R-gtools.git /var/lib/mock/f31-build-77109-31477/root/chroot_tmpdir/scmroot/R-gtools
Cloning into '/var/lib/mock/f31-build-77109-31477/root/chroot_tmpdir/scmroot/R-gtools'...
$ git reset --hard 3a6df4cad70f90c46ecea7887cc5cb797451f864
HEAD is now at 3a6df4c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild