$ git clone -n https://src.fedoraproject.org/rpms/R-RInside.git /var/lib/mock/f31-build-49789-27346/root/thebuilddir/tmp/scmroot/R-RInside
Cloning into '/var/lib/mock/f31-build-49789-27346/root/thebuilddir/tmp/scmroot/R-RInside'...
$ git reset --hard 5eff79e9cc82d1dbc39af402308488155352278d
HEAD is now at 5eff79e New release 0.2.15