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Update generator guide [ci skip] #30343

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Aug 21, 2017
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Update generator guide [ci skip] #30343

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12 changes: 8 additions & 4 deletions guides/source/generators.md
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Original file line number Diff line number Diff line change
Expand Up @@ -90,13 +90,15 @@ $ bin/rails generate generator initializer
create lib/generators/initializer/initializer_generator.rb
create lib/generators/initializer/USAGE
create lib/generators/initializer/templates
invoke test_unit
create test/lib/generators/initializer_generator_test.rb
```

This is the generator just created:

```ruby
class InitializerGenerator < Rails::Generators::NamedBase
source_root File.expand_path("templates", __dir__)
source_root File.expand_path('templates', __dir__)
end
```

Expand All @@ -122,7 +124,7 @@ And now let's change the generator to copy this template when invoked:

```ruby
class InitializerGenerator < Rails::Generators::NamedBase
source_root File.expand_path("templates", __dir__)
source_root File.expand_path('templates', __dir__)

def copy_initializer_file
copy_file "initializer.rb", "config/initializers/#{file_name}.rb"
Expand Down Expand Up @@ -241,6 +243,8 @@ $ bin/rails generate generator rails/my_helper
create lib/generators/rails/my_helper/my_helper_generator.rb
create lib/generators/rails/my_helper/USAGE
create lib/generators/rails/my_helper/templates
invoke test_unit
create test/lib/generators/rails/my_helper_generator_test.rb
```

After that, we can delete both the `templates` directory and the `source_root`
Expand Down Expand Up @@ -510,13 +514,13 @@ Available options are:
Any additional options passed to this method are put on the end of the line:

```ruby
gem "devise", git: "git://github.com/plataformatec/devise", branch: "master"
gem "devise", git: "https://github.com/plataformatec/devise.git", branch: "master"
```

The above code will put the following line into `Gemfile`:

```ruby
gem "devise", git: "git://github.com/plataformatec/devise", branch: "master"
gem "devise", git: "https://github.com/plataformatec/devise.git", branch: "master"
```

### `gem_group`
Expand Down