test against Gemfile.lock to use bundler or not

[witjoh]

We heve many project containing a Gemfile, but we do not use bundler. So I thought cecking against Gemfile.lock could be a more accurate way to check if bundler is indeed used or not. Since those using bundler ececute a bunkder install as the very first step, which generates the Gemfile.lock.

Open for suggestions on tis.

Thx

[grosser]

idk that seems kinda fishy to me ... why do you have a Gemfile and not use bundler :D
would prefer a --no-bundle option or so since this detection obviously is not perfect ...