lib/guard/cli/environments/bundler.rb
require "guard/ui" module Guard module Cli module Environments class Bundler def verify return unless File.exist?("Gemfile") return if ENV["BUNDLE_GEMFILE"] || ENV["RUBYGEMS_GEMDEPS"] UI.info <<EOF Guard here! It looks like your project has a Gemfile, yet you are running `guard` outside of Bundler. If this is your intent, feel free to ignore this message. Otherwise, consider using `bundle exec guard` to ensure your dependencies are loaded correctly. (You can run `guard` with --no-bundler-warning to get rid of this message.) EOF end end end end end