guard-rails/lib/guard/rails.rb

78 lines
1.9 KiB
Ruby

require 'guard'
require 'guard/guard'
require 'rbconfig'
module Guard
class Rails < ::Guard::Guard
attr_reader :options
def initialize(watchers = [], options = {})
super
@options = {
:port => 3000,
:environment => 'development',
:start_on_start => true,
:force_run => false
}.merge(options)
end
def start
UI.info "Guard::Rails restarting app on port #{options[:port]} using #{options[:environment]} environment."
run_all if options[:start_on_start]
end
def run_all
Notifier.notify("Rails restarting on port #{options[:port]} in #{options[:environment]} environment...", :title => "Restarting Rails...", :image => :pending)
stop_rails ; start_rails
Notifier.notify("Rails restarted on port #{options[:port]}.", :title => "Rails restarted!", :image => :success)
end
def stop
Notifier.notify("Until next time...", :title => "Rails shutting down.", :image => :pending)
stop_rails
end
def run_on_change(paths)
run_all
end
private
def pid_file
File.expand_path("tmp/pids/#{options[:environment]}.pid")
end
def start_rails
kill_unmanaged_pid! if options[:force_run]
system %{sh -c 'cd #{Dir.pwd} && rails s -e #{options[:environment]} -p #{options[:port]} --pid #{pid_file} &'}
while !File.file?(pid_file)
sleep 0.5
end
UI.info "Rails restarted, pid #{File.read(pid_file)}"
end
def stop_rails
if File.file?(pid_file)
system %{kill -INT #{File.read(pid_file).strip}}
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
def kill_unmanaged_pid!
if pid = unmanaged_pid
system %{kill -INT #{pid}}
end
end
end
end