class Bundler::Injector

def conservative_version(spec)
  version = spec.version
  return ">= 0" if version.nil?
  segments = version.segments
  seg_end_index = version >= Gem::Version.new("1.0") ? 1 : 2
  prerelease_suffix = version.to_s.delete_prefix(version.release.to_s) if version.prerelease?
  "#{version_prefix}#{segments[0..seg_end_index].join(".")}#{prerelease_suffix}"
end