comrak 0.6.1

A 100% CommonMark-compatible GitHub Flavored Markdown parser and formatter
Documentation 
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#!/usr/bin/env ruby

require 'commonmarker'

HELP = "$ comrak --help\n"
CONTRIBUTORS = "<table id='contributors'></table>"

readme = File.read File.join(File.dirname(__FILE__), '../README.md')
contributors = File.read File.join(File.dirname(__FILE__), '../CONTRIBUTORS.txt')

contributors = contributors.split("\n").reject(&:empty?).sort_by(&:downcase).map do |login|
  "<a class='contributors' title='#{login}' href='https://github.com/#{login}'><img width='64' src='https://github.com/#{login}.png' alt='#{login}'></a>"
end.join(' ')

doc = CommonMarker.render_doc(readme)
doc.walk do |node|
  if node.type == :code_block && node.string_content.start_with?(HELP)
    node.string_content = "#{HELP}#{`cargo run -- --help`}"
  end
  if node.type == :html && node.string_content.start_with?("<table id='contributors'>")
    node.string_content = "#{CONTRIBUTORS}#{contributors}"
  end
end

File.open(File.join(File.dirname(__FILE__), '../README.md'), 'w') do |f|
  f.write doc.to_commonmark
end