update_versions

# File tools/releaser/lib/releaser.rb, line 228
  def update_versions(framework)
    return if framework == "rails"

    Dir.chdir(root) do
      glob = "#{framework}/lib/*/gem_version.rb"

      file = Dir[glob].first
      ruby = File.read(file)

      ruby.gsub!(/^(\s*)MAJOR(\s*)= .*?$/, "\\1MAJOR = #{major}")
      raise "Could not insert MAJOR in #{file}" unless $1

      ruby.gsub!(/^(\s*)MINOR(\s*)= .*?$/, "\\1MINOR = #{minor}")
      raise "Could not insert MINOR in #{file}" unless $1

      ruby.gsub!(/^(\s*)TINY(\s*)= .*?$/, "\\1TINY  = #{tiny}")
      raise "Could not insert TINY in #{file}" unless $1

      ruby.gsub!(/^(\s*)PRE(\s*)= .*?$/, "\\1PRE   = #{pre.inspect}")
      raise "Could not insert PRE in #{file}" unless $1

      File.open(file, "w") { |f| f.write ruby }

      package_json = "#{framework}/package.json"

      if File.exist?(package_json) && JSON.parse(File.read(package_json))["version"] != npm_version
        Dir.chdir("#{framework}") do
          if sh("which npm > /dev/null 2>&1", verbose: false)
            sh "npm version #{npm_version} --no-git-tag-version > /dev/null 2>&1", verbose: false
          else
            raise "You must have npm installed to release Rails."
          end
        end
      end
    end
  end