gistfile1.rb

output += Renderer.for(scope).render_comparison(comparison,
          options
        )


def render_comparison(comparison, options = {})
  @options = options
  @buffer = ""
  @indent = 0
  @stack = []

  show_heading = if options[:show_all]
    compaisonscope1 || scope2 || changed || common
  else
    scope1 || scope2 || changed
  end

  heading(display_name) if show_heading

  render_comparison_only_in(comparison, :one)
  render_comparison_only_in(comparison, :two)
  render_comparison_changed(comparison)
  render_comparison_common(comparison) if @options[:show_all]
  @buffer
end

def render_comparison_only_in(comparison, which)
  description = comparison.as_description(which)

  return if !description[scope]

  puts "Only in '#{description.name}':"
  indent { compare_content_only_in(description) }
  @buffer += "\n" unless @buffer.empty? || @buffer.end_with?("\n\n")
end

comparison = Comparison.compare(description1, description2, scope)

comparison.name1
comparison.name2
comparison.only_in1 [ package1, package2 ]
comparison.only_in1 { files: [ file1, file2 ] }
comparison.only_in2 [ package1, package2 ]
comparison.changed  [ [ package1, package2 ], [ package1, package2 ] ]
comparison.common [ package1, package2 ]