Prepare for Sidekiq v4.0.0

.gitignore

@@ -1,2 +1,3 @@
 Gemfile.lock
 pkg/
+.bundle/

Gemfile

@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
 gemspec
 
-gem 'sidekiq', github: 'mperham/sidekiq'
+gem 'sidekiq', github: 'mperham/sidekiq', branch: 'internal_rewrite'

lib/sidekiq/limit_fetch.rb

@@ -34,7 +34,7 @@ class Sidekiq::LimitFetch
   private
 
   def fetch_message
-    queue, _ = redis_brpop *@queues.acquire, Sidekiq::Fetcher::TIMEOUT
+    queue, _ = redis_brpop *@queues.acquire, Sidekiq::BasicFetch::TIMEOUT
   ensure
     @queues.release_except queue
   end

lib/sidekiq/limit_fetch/redis.rb

@@ -3,21 +3,7 @@ module Sidekiq::LimitFetch::Redis
 
   def nonblocking_redis
     redis do |redis|
-      # Celluloid 0.16 broke this method
-      if Celluloid::VERSION.to_f >= 0.16
-        yield redis
-      else
-      # prevent blocking of fetcher
-      # more bullet-proof and faster (O_O)
-      # than using Celluloid::IO
-      #
-      # https://github.com/brainopia/sidekiq-limit_fetch/issues/41
-      # explanation of why Future#value is beneficial here
-        begin
-          Celluloid::Future.new { yield redis }.value
-        rescue Celluloid::Task::TerminatedError
-        end
-      end
+      yield redis
     end
   end
 

sidekiq-limit_fetch.gemspec

@@ -15,7 +15,7 @@ Gem::Specification.new do |gem|
   gem.test_files    = gem.files.grep %r{^spec/}
   gem.require_paths = %w(lib)
 
-  gem.add_dependency 'sidekiq', '>= 2.6.5', '< 4.0'
+  gem.add_dependency 'sidekiq', '~> 4.0.0'
   gem.add_development_dependency 'rspec', '~> 3.2.0'
   gem.add_development_dependency 'rake'
 end

spec/spec_helper.rb

@@ -1,5 +1,4 @@
 require 'sidekiq/limit_fetch'
-require 'celluloid/autostart'
 require 'sidekiq/fetch'
 
 Sidekiq.logger = nil