craigcitro/r-travis — pull request #38 by craigcitro (2013-10-28 07:14:41+00:00)
Title: Add `travis-tool` to `.Rbuildignore` automatically and idempotently.

This is a little on the fancy side, but will be important if we ever want to
push the built packages anywhere (since they'll accidentally pick up
`travis-tool.sh` otherwise).