module Coveralls::Configuration

def self.relevant_env
  hash = {
    :pwd => self.pwd,
    :rails_root => self.rails_root,
    :simplecov_root => simplecov_root,
    :gem_version => VERSION
  }
  hash.merge! begin
    if ENV['TRAVIS']
      {
        :travis_job_id => ENV['TRAVIS_JOB_ID'],
        :travis_pull_request => ENV['TRAVIS_PULL_REQUEST'],
        :branch => ENV['TRAVIS_BRANCH']
      }
    elsif ENV['CIRCLECI']
      {
        :circleci_build_num => ENV['CIRCLE_BUILD_NUM'],
        :branch => ENV['CIRCLE_BRANCH'],
        :commit_sha => ENV['CIRCLE_SHA1']
      }
    elsif ENV['JENKINS_URL']
      {
        :jenkins_build_num => ENV['BUILD_NUMBER'],
        :jenkins_build_url => ENV['BUILD_URL'],
        :branch => ENV['GIT_BRANCH'],
        :commit_sha => ENV['GIT_COMMIT']
      }
    elsif ENV['SEMAPHORE']
      {
        :branch => ENV['BRANCH_NAME'],
        :commit_sha => ENV['REVISION']
      }
    else
      {}
    end
  end
  hash
end