$ git clone -n https://src.fedoraproject.org/rpms/R-sp.git /var/lib/mock/f31-build-74220-31099/root/chroot_tmpdir/scmroot/R-sp
Cloning into '/var/lib/mock/f31-build-74220-31099/root/chroot_tmpdir/scmroot/R-sp'...
$ git reset --hard ce6fae080de98fe49a343882f529d6f1a27cef4d
HEAD is now at ce6fae0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild