$ git clone -n https://src.fedoraproject.org/rpms/R-ROC.git /var/lib/mock/f31-build-49792-27346/root/chroot_tmpdir/scmroot/R-ROC
Cloning into '/var/lib/mock/f31-build-49792-27346/root/chroot_tmpdir/scmroot/R-ROC'...
$ git reset --hard 8c827d79900313de129f284f18454512c0f040fa
HEAD is now at 8c827d7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild