Rakefile

require 'html-proofer'
require 'rake'
include FileUtils

desc 'run htmlproofer, rspec if exists'
task :test do
  opts = {
    :check_external_hash => true,
    :allow_hash_href => true,
    :disable_external => true,
    :empty_alt_ignore => true,
    :allow_missing_href => true,
    :enforce_https=> false,
    :only_4xx => true,
    :verbose => true
  }
  sh 'bundle exec jekyll b'
  HTMLProofer.check_directory('./_site', opts).run
  sh 'bundle exec rspec' if File.exist?('.rspec')
end


namespace :git do
  namespace :push do
    desc 'push built site to s3 branch'
    task :static do
      if ENV.fetch('CI', false)
        BRANCH = ENV['TRAVIS_BRANCH']
        if BRANCH == 'master'
          REPO_SLUG = ENV['TRAVIS_REPO_SLUG']
          USER = REPO_SLUG.split('/')[0]
          TOKEN = ENV['GIT_ACCESS_TOKEN']
          COMMIT_MSG = "Site updated via #{ENV['TRAVIS_COMMIT']}".freeze
          ORIGIN = "https://#{USER}:#{TOKEN}@github.com/#{REPO_SLUG}.git".freeze
          puts "Deploying to 'static' branch from Travis as #{USER}"

          Dir.mktmpdir do |tmp|
            cp_r '_site/.', tmp
            Dir.chdir tmp
            system 'git init'
            system "git add . && git commit -m '#{COMMIT_MSG}'"
            system "git remote add origin #{ORIGIN}"
            system "git push origin master:refs/heads/static --force"
          end
        else
          puts "This task only runs on the master branch. Skipping for #{BRANCH}."
        end
      else
        puts 'Not on Travis-CI. Skipping push to static branch.'
      end
    end
  end
end