Using Rake task for assets, everything gets reloaded every time

guard · Sep 2, 2011 · a4e905e · a4e905e
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diff --git a/Gemfile b/Gemfile
@@ -2,4 +2,4 @@ source "http://rubygems.org"
 
 gemspec
 
-gem 'rake', :require => false
+gem 'pry', :group => [:development, :test]
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -1,17 +1,93 @@
 PATH
   remote: .
   specs:
-    guard-rails-assets (0.0.5)
+    guard-rails-assets (0.0.6)
       guard
+      rails (>= 3.1.0)
       rake
 
 GEM
   remote: http://rubygems.org/
   specs:
+    actionmailer (3.1.0)
+      actionpack (= 3.1.0)
+      mail (~> 2.3.0)
+    actionpack (3.1.0)
+      activemodel (= 3.1.0)
+      activesupport (= 3.1.0)
+      builder (~> 3.0.0)
+      erubis (~> 2.7.0)
+      i18n (~> 0.6)
+      rack (~> 1.3.2)
+      rack-cache (~> 1.0.3)
+      rack-mount (~> 0.8.2)
+      rack-test (~> 0.6.1)
+      sprockets (~> 2.0.0)
+    activemodel (3.1.0)
+      activesupport (= 3.1.0)
+      bcrypt-ruby (~> 3.0.0)
+      builder (~> 3.0.0)
+      i18n (~> 0.6)
+    activerecord (3.1.0)
+      activemodel (= 3.1.0)
+      activesupport (= 3.1.0)
+      arel (~> 2.2.1)
+      tzinfo (~> 0.3.29)
+    activeresource (3.1.0)
+      activemodel (= 3.1.0)
+      activesupport (= 3.1.0)
+    activesupport (3.1.0)
+      multi_json (~> 1.0)
+    arel (2.2.1)
+    bcrypt-ruby (3.0.0)
+    builder (3.0.0)
+    coderay (0.9.8)
     diff-lcs (1.1.2)
-    guard (0.5.1)
+    erubis (2.7.0)
+    guard (0.6.3)
+      thor (~> 0.14.6)
+    hike (1.2.1)
+    i18n (0.6.0)
+    mail (2.3.0)
+      i18n (>= 0.4.0)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    method_source (0.6.0)
+      ruby_parser (>= 2.0.5)
+    mime-types (1.16)
+    multi_json (1.0.3)
+    polyglot (0.3.2)
+    pry (0.9.3)
+      coderay (>= 0.9.8)
+      method_source (>= 0.6.0)
+      ruby_parser (>= 2.0.5)
+      slop (~> 1.9.0)
+    rack (1.3.2)
+    rack-cache (1.0.3)
+      rack (>= 0.4)
+    rack-mount (0.8.3)
+      rack (>= 1.0.0)
+    rack-ssl (1.3.2)
+      rack
+    rack-test (0.6.1)
+      rack (>= 1.0)
+    rails (3.1.0)
+      actionmailer (= 3.1.0)
+      actionpack (= 3.1.0)
+      activerecord (= 3.1.0)
+      activeresource (= 3.1.0)
+      activesupport (= 3.1.0)
+      bundler (~> 1.0)
+      railties (= 3.1.0)
+    railties (3.1.0)
+      actionpack (= 3.1.0)
+      activesupport (= 3.1.0)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
       thor (~> 0.14.6)
     rake (0.9.2)
+    rdoc (3.9.4)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)
@@ -20,12 +96,25 @@ GEM
     rspec-expectations (2.6.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.6.0)
+    ruby_parser (2.1.0)
+      sexp_processor (~> 3.0)
+    sexp_processor (3.0.5)
+    slop (1.9.1)
+    sprockets (2.0.0)
+      hike (~> 1.2)
+      rack (~> 1.0)
+      tilt (!= 1.3.0, ~> 1.1)
     thor (0.14.6)
+    tilt (1.3.3)
+    treetop (1.4.10)
+      polyglot
+      polyglot (>= 0.3.1)
+    tzinfo (0.3.29)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   guard-rails-assets!
-  rake
+  pry
   rspec
diff --git a/guard-rails-assets.gemspec b/guard-rails-assets.gemspec
@@ -15,6 +15,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency             'guard'
   s.add_dependency             'rake'
+  s.add_dependency             'rails', '>= 3.1.0'
   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
@@ -2,80 +2,40 @@
 module Guard
 
   class RailsAssets::RailsRunner
+    @@rails_booted = false # Only one rails app is allowed, so make it a class var
 
     def initialize(options)
-
     end
 
     # Methods to run the asset pipeline
-    # Taken from - https://github.com/rails/rails/blob/master/actionpack/lib/sprockets/assets.rake
-    module AssetPipeline
-      extend self
-      extend Rake::DSL
-
-      def clean
-        assets = ::Rails.application.config.assets
-        public_asset_path = File.join(::Rails.public_path, assets.prefix)
-        rm_rf public_asset_path, :secure => true
-      end
-
-      def precompile
-        Sprockets::Helpers::RailsHelper
-        ::ActionView::Base
-
-        config = ::Rails.application.config
-        env    = ::Rails.application.assets
-        target = ::Rails.root.join("public#{config.assets.prefix}")
-
-        config.assets.precompile.each do |path|
-          env.each_logical_path do |logical_path|
-            if path.is_a?(::Regexp)
-              next unless path.match(logical_path)
-            else
-              next unless ::File.fnmatch(path.to_s, logical_path)
-            end
-
-            if asset = env.find_asset(logical_path)
-              filename = target.join(asset.pathname.basename)
-              mkdir_p filename.dirname
-              asset.write_to(filename)
-              asset.write_to("#{filename}.gz") if filename.to_s =~ /\.(css|js)$/
-            end
-          end
-        end
-      end
-    end
-
+    # See as a reference https://github.com/rails/rails/blob/master/actionpack/lib/sprockets/assets.rake
     def boot_rails
-      @rails_booted ||= begin
-        require "#{Dir.pwd}/config/environment.rb"
-        true
-      end
+      return if @@rails_booted
+      puts "------------BOOTING RAILS"
+      require "#{Dir.pwd}/config/environment.rb"
+      app = ::Rails.application
+      puts "--- CACHE=#{app.assets.cache}"
+      app.assets.cache = nil
+      app.load_tasks
+      @@rails_booted = true
+      puts "-- BOOTED after?=#{@@rails_booted}"
     end
 
-    def run_compiler
-      begin
-        @failed = false
-        AssetPipeline.clean
-        AssetPipeline.precompile
-      rescue => e
-        puts "An error occurred compiling assets: #{e}"
-        @failed = true
-      end
-    end
 
     # Runs the asset pipeline compiler.
     #
     # @return [ Boolean ] Whether the compilation was successful or not
     def compile_assets
       boot_rails
-      run_compiler
-
-      !failed?
-    end
-
-    def failed?
-      @failed
+      return false unless @@rails_booted
+      begin
+        Rake::Task['assets:clean'].execute
+        Rake::Task['assets:precompile'].execute
+        true
+      rescue => e
+        puts "An error occurred compiling assets: #{e}"
+        false
+      end
     end
   end
 end