Guardfile

guard :rspec, cmd: 'bundle exec rspec -f d' do
  require 'guard/rspec/dsl'

  dsl = Guard::RSpec::Dsl.new(self)

  app_files  = %r{^src/(.+)\.rb$}
  main_files = /config.ru/

  watch(main_files)         { dsl.rspec.spec_dir }
  watch(app_files)          { dsl.rspec.spec_dir }
  watch(dsl.ruby.lib_files) { dsl.rspec.spec_dir }

  watch(dsl.rspec.spec_files)
  watch(dsl.rspec.spec_helper)  { dsl.rspec.spec_dir }
  watch(dsl.rspec.spec_support) { dsl.rspec.spec_dir }
end

guard :rubocop do
  watch(/.+\.rb$/)
  watch('Gemfile')
  watch(%r{(?:.+/)?\.rubocop(?:_todo)?\.yml$}) { |m| File.dirname(m[0]) }
end

guard :bundler do
  require 'guard/bundler'
  require 'guard/bundler/verify'

  helper = Guard::Bundler::Verify.new

  files = ['Gemfile']
  files += Dir['*.gemspec'] if files.any? { |f| helper.uses_gemspec?(f) }

  # Assume files are symlinked from somewhere
  files.each { |file| watch(helper.real_path(file)) }
end