puts "Adding generators... ".magenta generators = < 'config/application.rb' git :commit => "-qm 'Adding generators.'" letter_opener_config = < 'localhost:3000' } LETTER_OPENER in_root do inject_into_file 'config/environments/development.rb', letter_opener_config, { before: "end", verbose: false } end git :add => 'config/environments/development.rb' git :commit => "-qm 'Adding letter_opener config.'"