Review Github pull requests assigned to authenticated user

gistfile1.rb

require 'octokit'

TITLE   = 'example title'
LABEL   = 'ready to merge'
COMMENT = '+B'

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

pulls = client.list_issues.select { |issue|
  issue.pull_request &&
  issue.labels.select { |l| l.name == LABEL }.empty? &&
  issue.title == TITLE
}

pulls.each do |pull|
  client.add_labels_to_an_issue(pull.repository.full_name, pull.number, [LABEL])
  client.add_comment(pull.repository.full_name, pull.number, COMMENT)
end