class Bundler::CLI

def check
  env = Bundler.runtime
  # Check top level dependencies
  missing = env.dependencies.select { |d| env.index.search(d).empty? }
  if missing.any?
    Bundler.ui.error "The following dependencies are missing"
    missing.each do |d|
      Bundler.ui.error "  * #{d}"
    end
    Bundler.ui.warn "Install missing gems with `bundle install`"
    exit 1
  else
    not_installed = env.requested_specs.select { |spec| !spec.loaded_from }
    if not_installed.any?
      not_installed.each { |s| Bundler.ui.error "#{s.name} (#{s.version}) is cached, but not installed" }
      Bundler.ui.warn "Install missing gems with `bundle install`"
      exit 1
    else
      Bundler.ui.info "The Gemfile's dependencies are satisfied"
    end
  end
end