From d4d929db492d89451b97bc05ce062f04a18e78b4 Mon Sep 17 00:00:00 2001
From: Dmytrii Nagirniak <dnagir@gmail.com>
Date: Tue, 11 Oct 2011 09:28:23 +1100
Subject: [PATCH] update to work with the Rails 3.1.1 final. Closes #14

---
 guard-rails-assets.gemspec             |  2 +-
 lib/guard/rails-assets/rails_runner.rb | 50 ++++++++++++--------------
 lib/guard/version.rb                   |  2 +-
 3 files changed, 24 insertions(+), 30 deletions(-)

diff --git a/guard-rails-assets.gemspec b/guard-rails-assets.gemspec
index a9383d3..105b67f 100644
--- a/guard-rails-assets.gemspec
+++ b/guard-rails-assets.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency             'guard'
   s.add_dependency             'rake'
-  s.add_dependency             'rails', '>= 3.1.1.rc2'
+  s.add_dependency             'rails', '>= 3.1.1'
   s.add_development_dependency 'rspec'
 
   s.files         = `git ls-files`.split("\n")
diff --git a/lib/guard/rails-assets/rails_runner.rb b/lib/guard/rails-assets/rails_runner.rb
index 3586894..1311252 100644
--- a/lib/guard/rails-assets/rails_runner.rb
+++ b/lib/guard/rails-assets/rails_runner.rb
@@ -6,9 +6,11 @@ module Guard
 
     @@rails_booted = false # Only one rails app is allowed, so make it a class var
     @@rails_env = nil
+    @@digest = nil
 
     def initialize(options={})
       @@rails_env = (options[:rails_env] || 'test').to_s unless @@rails_booted
+      @@digest = options[:digest]
     end
 
     def self.apply_hacks
@@ -35,39 +37,32 @@ module Guard
     end
 
 
-    def clean
-      Rake::Task["tmp:cache:clear"].execute
-      # copy from the "assets:clean" Rake task
-      config = ::Rails.application.config
-      public_asset_path = File.join(Rails.public_path, config.assets.prefix)
-      rm_rf public_asset_path, :secure => true
-    end
-
     def precompile
-      # copy from the "assets:precompile" Rake task
+      config = Rails.application.config
+      unless config.assets.enabled
+        warn "Cannot precompile assets if sprockets is disabled. Enabling it."
+        config.assets.enabled = true
+      end
 
-      # Ensure that action view is loaded and the appropriate sprockets hooks get executed
-      ActionView::Base
+      # Ensure that action view is loaded and the appropriate
+      # sprockets hooks get executed
+      _ = ActionView::Base
+
+      digest = @@digest.nil? ? config.assets.digest : @@digest
 
-      config = ::Rails.application.config
-      config.assets.compile = true
-
-      env    = ::Rails.application.assets
-
-      # Always compile files and avoid use of existing precompiled assets
       config.assets.compile = true
+      config.assets.digest  = digest
       config.assets.digests = {}
 
-      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)
-      end
+      env      = Rails.application.assets
+      target   = File.join(Rails.public_path, config.assets.prefix)
+      compiler = Sprockets::StaticCompiler.new(env,
+                                               target,
+                                               config.assets.precompile,
+                                               :manifest_path => config.assets.manifest,
+                                               :digest => config.assets.digest,
+                                               :manifest => config.assets.digest.nil?)
+      compiler.compile
     end
 
 
@@ -78,7 +73,6 @@ module Guard
       self.class.boot_rails
       return false unless @@rails_booted
       begin
-        clean
         precompile
         true
       rescue => e
diff --git a/lib/guard/version.rb b/lib/guard/version.rb
index e98e36f..1a40650 100644
--- a/lib/guard/version.rb
+++ b/lib/guard/version.rb
@@ -1,5 +1,5 @@
 module Guard
   module RailsAssetsVersion
-    VERSION = "0.0.9"
+    VERSION = "0.1.0"
   end
 end