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Use Rack::Cache middleware only if is in Gemfile

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commit cbd26a803b78f7309d101fc112e40254f60262a5 1 parent f655108
@guilleiguaran guilleiguaran authored
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1  Gemfile
@@ -6,6 +6,7 @@ gem 'arel', github: 'rails/arel', branch: 'master'
gem 'mocha', '>= 0.11.2', :require => false
gem 'rack-test', github: 'brynary/rack-test'
+gem 'rack-cache', "~> 1.2"
gem 'bcrypt-ruby', '~> 3.0.0'
gem 'jquery-rails'
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1  actionpack/actionpack.gemspec
@@ -18,7 +18,6 @@ Gem::Specification.new do |s|
s.requirements << 'none'
s.add_dependency('activesupport', version)
- s.add_dependency('rack-cache', '~> 1.2')
s.add_dependency('builder', '~> 3.1.0')
s.add_dependency('rack', '~> 1.4.1')
s.add_dependency('rack-test', '~> 0.6.1')
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6 railties/lib/rails/application.rb
@@ -282,6 +282,12 @@ def default_middleware_stack #:nodoc:
ActionDispatch::MiddlewareStack.new.tap do |middleware|
app = self
if rack_cache = config.action_controller.perform_caching && config.action_dispatch.rack_cache
+ begin
+ require 'rack/cache'
+ rescue LoadError => error
+ error.message << ' Be sure to add rack-cache to your Gemfile'
+ raise
+ end
require "action_dispatch/http/rack_cache"
middleware.use ::Rack::Cache, rack_cache
end
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