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RED=$'\e[0;31;1m'
COLOR_OFF=$'\e[0m'

if [ ! "$#" = "1" ]; then
   echo "$RED""please input app_name!""$COLOR_OFF"
else
   mkdir "$1"
   cd "$1"
   touch Gemfile
   echo 'source "http://rubygems.org"' >> Gemfile
   echo 'gem "rails", "4.0.2"' >> Gemfile
   bundle install --path .bundle
   bundle exec rails new "$1" --skip-bundle
   rm -rf Gemfile
   rm -rf Gemfile.lock
   rm -rf .bundle
   rm -rf vendor
   cd "$1"
   sed -i -e "/sqlite3/d" Gemfile
   echo "" >> Gemfile
   echo "# Use sqlite3 as the database for Active Record" >> Gemfile
   echo "group :development do" >> Gemfile
   echo "  gem 'sqlite3'" >> Gemfile
   echo "end" >> Gemfile
   echo "" >> Gemfile
   echo "# Use Travis CI tests" >> Gemfile
   echo "group :test do" >> Gemfile
   echo "  gem 'rake'" >> Gemfile
   echo "  gem 'rspec-rails'" >> Gemfile
   echo "end" >> Gemfile
   echo "" >> Gemfile
   echo "# Use Heroku deploy" >> Gemfile
   echo "group :production do" >> Gemfile
   echo "  gem 'rails_12factor'" >> Gemfile
   echo "  gem 'pg'" >> Gemfile
   echo "  gem 'newrelic_rpm'" >> Gemfile
   echo "end" >> Gemfile
   echo "" >> Gemfile
   echo "# Use travis CI command" >> Gemfile
   echo "gem 'travis'" >> Gemfile
   bundle install --path .bundle --without test production
   mv .* ../
   mv * ../
   cd ..
   rm -rf "$1"
fi