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-rw-r--r--railties/guides/source/rails_application_templates.textile12
1 files changed, 12 insertions, 0 deletions
diff --git a/railties/guides/source/rails_application_templates.textile b/railties/guides/source/rails_application_templates.textile
index 566f8a0bdd..c3c8af4d3a 100644
--- a/railties/guides/source/rails_application_templates.textile
+++ b/railties/guides/source/rails_application_templates.textile
@@ -60,6 +60,18 @@ Please note that this will NOT install the gems for you and you will have to run
bundle install
</ruby>
+h4. gem_group(*names, &block)
+
+Wraps gem entries inside a group.
+
+For example, if you want to load +rspec-rails+ only in +development+ and +test+ group:
+
+<ruby>
+gem_group :development, :test do
+ gem "rspec-rails"
+end
+</ruby>
+
h4. add_source(source, options = {})
Adds the given source to the generated application's +Gemfile+.