version = ARGV.pop
if version.nil?
  puts "Usage: ruby install.rb version"
  exit(64)
end
%w( activesupport activemodel activerecord actionpack actionview actionmailer railties ).each do |framework|
  puts "Installing #{framework}..."
  `cd #{framework} && gem build #{framework}.gemspec && gem install #{framework}-#{version}.gem --no-ri --no-rdoc && rm #{framework}-#{version}.gem`
end
puts "Installing rails..."
`gem build rails.gemspec`
`gem install rails-#{version}.gem --no-ri --no-rdoc `
`rm rails-#{version}.gem`
 
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