guard :karma,

cmd: './bin/karma',
all_on_start: true do
watch(%r{spec/javascripts/spec\.(js\.coffee|js|coffee)$}) do
  'spec/javascripts'
end
watch(%r{spec/javascripts/.+_spec\.(js\.coffee|js|coffee)$})
watch(%r{spec/javascripts/fixtures/.+$})
watch(
  %r{app/assets/javascripts/(.+?)\.(js\.coffee|js|coffee)(?:\.\w+)*$}
) do |m|
  "spec/javascripts/#{ m[1] }_spec.#{ m[2] }"
end

end