$ git clone -n https://src.fedoraproject.org/rpms/R-lubridate.git /var/lib/mock/f33-build-424137-63007/root/chroot_tmpdir/scmroot/R-lubridate
Cloning into '/var/lib/mock/f33-build-424137-63007/root/chroot_tmpdir/scmroot/R-lubridate'...
$ git reset --hard f7f985f08d782392668b92c0d06dc33d91390a67
HEAD is now at f7f985f Update to latest version.