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# File 'lib/rails_mailer_sandbox/setup.rb', line 7
def self.run(root)
root = File.expand_path(root)
raise "Not a Rails application: #{root}" unless File.file?(File.join(root, "config/application.rb"))
path = File.join(root, "config/initializers/rails_mailer_sandbox.rb")
content = " # Generated by rails_mailer_sandbox:setup. Development only.\n if Rails.env.development?\n Rails.application.config.action_mailer.delivery_method = :rails_mailer_sandbox\n Rails.application.config.action_mailer.perform_deliveries = true\n Rails.application.config.action_mailer.raise_delivery_errors = true\n RailsMailerSandbox.storage_path = Rails.root.join(\"tmp\", \"rails_mailer_sandbox\")\n\n Rails.application.routes.append do\n mount RailsMailerSandbox::Server.new => \"/rails_mailer_sandbox\"\n end\n end\n RUBY\n FileUtils.mkdir_p(File.dirname(path))\n begin\n File.open(path, File::WRONLY | File::CREAT | File::EXCL, 0o644) { |file| file.write(content) }\n rescue Errno::EEXIST\n raise \"Existing \#{path} differs; review manually.\" unless File.read(path) == content\n end\nend\n"
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