rocker-org/rocker-versioned — pull request #3 by kforner (2014-10-17 13:09:40+00:00)
Title: configured apt for the debian snapshot corresponding to R-2.15.1-4

Proof of concept of using debian snapshot.
Some hints:
- use the same debian version that in the snapshot (look at dists/ dir)
- use apt-get -o Acquire::Check-Valid-Until=false update to update apt