ensure_all_gems_in_lockfile!

# File lib/bundler/cli/common.rb, line 74
    def self.ensure_all_gems_in_lockfile!(names, locked_gems = Bundler.locked_gems)
      locked_names = locked_gems.specs.map(&:name)
      names.-(locked_names).each do |g|
        raise GemNotFound, gem_not_found_message(g, locked_names)
      end
    end