Guardfile for running Exercism (Ruby) tests.

Guardfile

# Guardfile to run Exercism Ruby tests.

# gem install guard
# gem install guard-shell

# Run with 'guard' command from your base exercism directory.

interactor :off

guard :shell do
  watch(/(.*).rb/) do |m|
    file = m[0]
    test_file = file[/_test\.rb/] ? file : file.sub(/\.rb/, '_test.rb')
    command = "ruby #{test_file} && rubocop -D #{file} #{test_file}"
    system(command)
  end
end