Gem::Ext::CmakeBuilder#check_presets

# File tmp/rubies/ruby-4.0.0/lib/rubygems/ext/cmake_builder.rb, line 85
  def check_presets(cmake_dir, args, results)
    # Return if the user specified a preset
    return unless args.grep(/--preset/i).empty?

    cmd = ["cmake",
           "--list-presets"]

    presets = Array.new
    begin
      runner.call(cmd, presets, "cmake_presets", cmake_dir)

      # Remove the first two lines of the array which is the current_directory and the command
      # that was run
      presets = presets[2..].join
      results << <<~EOS
        The gem author provided a list of presets that can be used to build the gem. To use a preset specify it on the command line:

          gem install <gem_name> -- --preset <preset_name>

        #{presets}
      EOS
    rescue Gem::InstallError
      # Do nothing, CMakePresets.json was not included in the Gem
    end
  end