Merge pull request #22684 from teknofire/fix-using-add_resource-with-a-block-after-gem-call

Fix using add_resource with a block after gem in custom generators

railties/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Fix using `add_source` with a block after using `gem` in a custom generator.
+
+    *Will Fisher*
+
 ## Rails 5.0.0.beta1 (December 18, 2015) ##
 
 *   No changes.

railties/lib/rails/generators/actions.rb

@@ -75,7 +75,7 @@ module Rails
 
         in_root do
           if block
-            append_file "Gemfile", "source #{quote(source)} do", force: true
+            append_file "Gemfile", "\nsource #{quote(source)} do", force: true
             @in_group = true
             instance_eval(&block)
             @in_group = false

railties/test/generators/actions_test.rb

@@ -52,6 +52,15 @@ class ActionsTest < Rails::Generators::TestCase
     assert_file 'Gemfile', /source 'http:\/\/gems\.github\.com' do\n  gem 'rspec-rails'\nend/
   end
 
+  def test_add_source_with_block_adds_source_to_gemfile_after_gem
+    run_generator
+    action :gem, 'will-paginate'
+    action :add_source, 'http://gems.github.com' do
+      gem 'rspec-rails'
+    end
+    assert_file 'Gemfile', /gem 'will-paginate'\nsource 'http:\/\/gems\.github\.com' do\n  gem 'rspec-rails'\nend/
+  end
+
   def test_gem_should_put_gem_dependency_in_gemfile
     run_generator
     action :gem, 'will-paginate'