Avoid using pathnames and automatically create the manifest directory if one does not exist yet.

2 files changed, 11 insertions, 5 deletions

diff --git a/actionpack/lib/sprockets/assets.rake b/actionpack/lib/sprockets/assets.rake
index 782ea38991..12b954371a 100644
--- a/actionpack/lib/sprockets/assets.rake
+++ b/actionpack/lib/sprockets/assets.rake
@@ -8,10 +8,15 @@ namespace :assets do
       ENV["RAILS_ENV"]    ||= "production"
       Kernel.exec $0, *ARGV
     else
+      require "fileutils"
       Rake::Task["tmp:cache:clear"].invoke
       Rails.application.initialize!(:assets)
       Sprockets::Bootstrap.new(Rails.application).run
 
+      unless Rails.application.config.assets.enabled
+        raise "Cannot precompile assets if sprockets is disabled. Please set config.assets.enabled to true"
+      end
+
       # Ensure that action view is loaded and the appropriate sprockets hooks get executed
       ActionView::Base
 
@@ -20,11 +25,13 @@ namespace :assets do
 
       config = Rails.application.config
       env    = Rails.application.assets
-      target = Pathname.new(File.join(Rails.public_path, config.assets.prefix))
-      manifest_path = config.assets.manifest || target
 
+      target = File.join(Rails.public_path, config.assets.prefix)
       static_compiler = Sprockets::StaticCompiler.new(env, target, :digest => config.assets.digest)
+
       manifest = static_compiler.precompile(config.assets.precompile)
+      manifest_path = config.assets.manifest || target
+      FileUtils.mkdir_p(manifest_path)
 
       File.open("#{manifest_path}/manifest.yml", 'wb') do |f|
         YAML.dump(manifest, f)
diff --git a/actionpack/lib/sprockets/static_compiler.rb b/actionpack/lib/sprockets/static_compiler.rb
index fa4f9451df..4a0078be46 100644
--- a/actionpack/lib/sprockets/static_compiler.rb
+++ b/actionpack/lib/sprockets/static_compiler.rb
@@ -1,5 +1,4 @@
 require 'fileutils'
-require 'pathname'
 
 module Sprockets
   class StaticCompiler
@@ -26,8 +25,8 @@ module Sprockets
 
     def compile(asset)
       asset_path = digest_asset(asset)
-      filename = target.join(asset_path)
-      FileUtils.mkdir_p filename.dirname
+      filename = File.join(target, asset_path)
+      FileUtils.mkdir_p File.dirname(filename)
       asset.write_to(filename)
       asset.write_to("#{filename}.gz") if filename.to_s =~ /\.(css|js)$/
       asset_path