guard-rails/lib/guard/rails/runner.rb

83 lines
1.5 KiB
Ruby

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