Created
December 6, 2011 22:57
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rails 3.1 reloader - holds reloading in dev mode untill some file is modified
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module Reloader | |
def run_callbacks(*args) | |
case args.first.to_sym | |
when :prepare | |
# allow call to ActionDispatch.prepare! | |
# or when source was updated | |
# cleanup before every preload | |
if @app.nil? or changed? | |
reset! | |
super(:cleanup) | |
super | |
end | |
when :cleanup | |
unless @app.nil? # skip call to ActionDispatch.cleanup! | |
# this is called after catching exception | |
# we need to force preloading in next request | |
force! | |
super | |
end | |
else | |
super | |
end | |
end | |
private | |
def changed? | |
force? or ActiveSupport::Dependencies.autoload_paths.map do |p| | |
Dir["#{p}/**/*.rb"].map{|f| File.mtime(f) } | |
end.flatten.max > timestamp | |
end | |
def timestamp | |
@timestamp or reset! | |
end | |
def reset! | |
@force = false | |
@timestamp = Time.now | |
end | |
def force! | |
@force = true | |
end | |
def force? | |
!!@force | |
end | |
end | |
ActiveSupport.on_load(:before_initialize) do | |
ActionDispatch::Reloader.send(:include, Reloader) | |
end |
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