rom-rb/devtools — pull request #52 by tjouan (2014-01-08 19:18:04+00:00)
Title: Add newline char at the end of annotation wrapper:

Terminate Devtools::ANNOTATION_WRAPPER format string with a "\n"
character, so that when appending content to Gemfile and Rakefile all
lines will end the same way.

I did the most simple and naive change here, another way might be to
implement this logic in Devtools::Site::Initializer#init_gemfile and
Devtools::Site::Initializer#init_rakefile or maybe a new method.