Move Travis CI required_status_checks to new Github Application integration

gistfile1.rb

require 'json'
require 'octokit'
require 'restclient'

ORGANIZATION = 'lessonnine'.freeze
ACCEPT_HEADER = 'application/vnd.github.luke-cage-preview+json'.freeze

Octokit.auto_paginate = true
client = Octokit::Client.new(access_token: ENV['GITHUB_ACCESS_TOKEN'])

repositories = client.organization_repositories(ORGANIZATION)

puts repositories.size

repositories.each do |repository|
  branches = client.branches(repository.full_name).map(&:name)

  branches.each do |branch|
    protection = client.branch_protection(repository.full_name, branch,
                                          accept: ACCEPT_HEADER)
    next unless protection
    next unless protection.required_status_checks

    contexts = protection.required_status_checks.contexts

    next unless contexts
    next if contexts.include?('Travis CI - Branch')
    next unless contexts.include?('continuous-integration/travis-ci')

    puts '=============================='
    puts "#{repository.full_name}: #{branch}"

    url = "https://api.github.com/repos/#{repository.full_name}/branches/#{branch}/protection/required_status_checks"

    payload = {
      strict: true,
      contexts: contexts.map do |c|
        c == 'continuous-integration/travis-ci' ? 'Travis CI - Branch' : c
      end
    }

    header = {
      accept: ACCEPT_HEADER,
      Authorization: "Token #{ENV['GITHUB_ACCESS_TOKEN']}"
    }

    response = RestClient.patch url, payload.to_json, header

    puts response.body if response.code != 200
  end
end