$ git clone -n https://src.fedoraproject.org/rpms/R-xfun.git /var/lib/mock/f33-build-313456-57619/root/chroot_tmpdir/scmroot/R-xfun
Cloning into '/var/lib/mock/f33-build-313456-57619/root/chroot_tmpdir/scmroot/R-xfun'...
$ git reset --hard 802518c993c63507af5feb08ea6fd78b7d1b4ebf
HEAD is now at 802518c - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild