$ git clone -n git://pkgs.fedoraproject.org/rpms/R-ROC /var/lib/mock/f29-build-1045-457/root/thebuilddir/tmp/scmroot/R-ROC
Cloning into '/var/lib/mock/f29-build-1045-457/root/thebuilddir/tmp/scmroot/R-ROC'...
$ git reset --hard 4907b3ce5a95449d0f32878b577a737abf23d798
HEAD is now at 4907b3c - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild