module Guard class RailsRunner attr_reader :options def initialize(options) @options = options end def start kill_unmanaged_pid! if options[:force_run] run_rails_command! count = 0 while !has_pid? && count < 10 wait_for_pid_action count += 1 end !(count == 10) end def stop if File.file?(pid_file) system %{kill -INT #{File.read(pid_file).strip}} end end def restart stop start end def build_rails_command rails_options = [ '-e', options[:environment], '-p', options[:port], '--pid', pid_file ] rails_options << '-d' if options[:daemon] %{sh -c 'cd #{Dir.pwd} && rails s #{rails_options.join(' ')} &'} end def pid_file File.expand_path("tmp/pids/#{options[:environment]}.pid") end def pid File.file?(pid_file) ? File.read(pid_file).to_i : nil end private def run_rails_command! system build_rails_command end def has_pid? File.file?(pid_file) end def wait_for_pid_action sleep 2 end def kill_unmanaged_pid! if pid = unmanaged_pid system %{kill -INT #{pid}} end end def unmanaged_pid if RbConfig::CONFIG['host_os'] =~ /darwin/ %x{lsof -P}.each_line { |line| if line["*:#{options[:port]} "] return line.split("\s")[1] end } end nil end end end