alphagov/spotlight — pull request #112 by alexmuller (2013-12-20 17:21:48+00:00)
Title: Add .ruby-version to 1.9.3

We don't actually execute any Ruby in this project, except for during
the build process.

I think this will alleviate some issues when installing gems:

sudo: no tty present and no askpass program specified
Sorry, try again.

Gem::Exception: Cannot load gem at [/var/lib/gems/1.9.1/cache/sass-3.2.12.gem]