$ git clone -n https://src.fedoraproject.org/rpms/sar2.git /var/lib/mock/f29-build-4072-999/root/thebuilddir/tmp/scmroot/sar2
Cloning into '/var/lib/mock/f29-build-4072-999/root/thebuilddir/tmp/scmroot/sar2'...
$ git reset --hard 9dd2299dc69110aa7cc320122b5a8e0192fadb48
HEAD is now at 9dd2299 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild