Guardfile

group :red_green_refactor, halt_on_fail: true do
  guard :rspec, cmd: './bin/rspec' do
    watch(%r{^spec/.+_spec\.rb$})
    watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
    watch('spec/spec_helper.rb')  { "spec" }

    # Rails example
    watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
    watch(%r{^app/(.*)(\.slim)$})                       { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
    watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/requests/#{m[1]}_spec.rb"] }
    watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
    watch('app/controllers/application_controller.rb')  { "spec/controllers" }

    # Capybara request specs
    watch(%r{^app/views/(.+)/.*(\.slim)$}) { |m| "spec/requests/#{m[1]}_spec.rb" }
  end

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

guard 'puma', port: 3000 do
  watch('.env')
  watch('Gemfile.lock')
  watch(%r{^config|lib/.*})
end