$ git clone -n https://src.fedoraproject.org/rpms/R-diffobj.git /var/lib/mock/f33-build-274506-51625/root/chroot_tmpdir/scmroot/R-diffobj
Cloning into '/var/lib/mock/f33-build-274506-51625/root/chroot_tmpdir/scmroot/R-diffobj'...
$ git reset --hard 20e2ee6853742305ae12808a16daa2fc3afee8b4
HEAD is now at 20e2ee6 Merge branch 'f30'