Add Go To Alternate File for haml with gem 'haml' in Gemfile

Support/lib/rails/rails_path.rb

@@ -292,7 +292,8 @@ def parse_file_name(file_name)
 
   def wants_haml
     @wants_html ||= File.file?(File.join(rails_root, "vendor/plugins/haml/", "init.rb")) ||
-      File.read(File.join(rails_root, 'config', 'environment.rb')) =~ /haml/
+      File.read(File.join(rails_root, 'config', 'environment.rb')) =~ /haml/ ||
+      File.read(File.join(rails_root, 'Gemfile')) =~ /haml/
   end
 
   def stubs

Support/test/gemfile_fixtures/Gemfile

@@ -0,0 +1 @@
+gem 'haml'

Support/test/gemfile_fixtures/app/controllers/posts_controller.rb

@@ -0,0 +1,24 @@
+class PostsController < ApplicationController
+  def new
+    @post = Post.new
+  end
+
+  def create
+    @post = Post.new(params[:post])
+  end
+
+  def index
+    respond_to do |wants|
+      wants.html  { }
+      wants.xml   { }
+      wants.js    { }
+      wants.wacky { }
+    end
+    respond_to do |format|
+      format.html { }
+    end
+  end
+
+  def edit
+  end
+end

Support/test/gemfile_fixtures/config/environment.rb

@@ -0,0 +1,41 @@
+# Be sure to restart your server when you modify this file
+
+# Specifies gem version of Rails to use when vendor/rails is not present
+RAILS_GEM_VERSION = '2.3.5' unless defined? RAILS_GEM_VERSION
+
+# Bootstrap the Rails environment, frameworks, and default configuration
+require File.join(File.dirname(__FILE__), 'boot')
+
+Rails::Initializer.run do |config|
+  # Settings in config/environments/* take precedence over those specified here.
+  # Application configuration should go into files in config/initializers
+  # -- all .rb files in that directory are automatically loaded.
+
+  # Add additional load paths for your own custom dirs
+  # config.load_paths += %W( #{RAILS_ROOT}/extras )
+
+  # Specify gems that this application depends on and have them installed with rake gems:install
+  # config.gem "bj"
+  # config.gem "hpricot", :version => '0.6', :source => "http://code.whytheluckystiff.net"
+  # config.gem "sqlite3-ruby", :lib => "sqlite3"
+  # config.gem "aws-s3", :lib => "aws/s3"
+
+  # Only load the plugins named here, in the order given (default is alphabetical).
+  # :all can be used as a placeholder for all plugins not explicitly named
+  # config.plugins = [ :exception_notification, :ssl_requirement, :all ]
+
+  # Skip frameworks you're not going to use. To use Rails without a database,
+  # you must remove the Active Record framework.
+  # config.frameworks -= [ :active_record, :active_resource, :action_mailer ]
+
+  # Activate observers that should always be running
+  # config.active_record.observers = :cacher, :garbage_collector, :forum_observer
+
+  # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
+  # Run "rake -D time" for a list of tasks for finding time zone names.
+  config.time_zone = 'UTC'
+
+  # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
+  # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}')]
+  # config.i18n.default_locale = :de
+end

Support/test/test_rails_path.rb

@@ -235,6 +235,9 @@ def test_wants_haml
       haml_fixture_path = File.expand_path(File.dirname(__FILE__) + '/fixtures')
       TextMate.project_directory = haml_fixture_path
       assert_equal true, RailsPath.new(haml_fixture_path + '/app/views/posts/index.html.haml').wants_haml
+      haml_fixture_path = File.expand_path(File.dirname(__FILE__) + '/gemfile_fixtures')
+      TextMate.project_directory = haml_fixture_path
+      assert RailsPath.new(haml_fixture_path + '/app/views/posts/index.html.haml').wants_haml
     ensure
       TextMate.project_directory = File.expand_path(File.dirname(__FILE__) + '/app_fixtures')
     end