class Bundler::CLI::Check

def run
  Bundler.settings[:path] = File.expand_path(options[:path]) if options[:path]
  begin
    definition = Bundler.definition
    definition.validate_ruby!
    not_installed = definition.missing_specs
  rescue GemNotFound, VersionConflict
    Bundler.ui.error "Bundler can't satisfy your Gemfile's dependencies."
    Bundler.ui.warn  "Install missing gems with `bundle install`."
    exit 1
  end
  if not_installed.any?
    Bundler.ui.error "The following gems are missing"
    not_installed.each { |s| Bundler.ui.error " * #{s.name} (#{s.version})" }
    Bundler.ui.warn "Install missing gems with `bundle install`"
    exit 1
  elsif !Bundler.default_lockfile.exist? && Bundler.settings[:frozen]
    Bundler.ui.error "This bundle has been frozen, but there is no Gemfile.lock present"
    exit 1
  else
    Bundler.load.lock unless options[:"dry-run"]
    Bundler.ui.info "The Gemfile's dependencies are satisfied"
  end
end