class Danger::Cirrus

With that set up, you can edit your task to add ‘bundler exec danger` in any script instruction.
Adding this to your `.cirrus.yml` allows Danger to fail your build, both on the Cirrus CI website and within your Pull Request.
You need to edit your `.cirrus.yml` to include `bundler exec danger`.
### CI Setup

def self.validates_as_ci?(env) 

def self.validates_as_ci?(env)
  env.key? "CIRRUS_CI"
end

def self.validates_as_pr?(env) 

def self.validates_as_pr?(env)
  exists = ["CIRRUS_PR", "CIRRUS_REPO_FULL_NAME"].all? { |x| env[x] && !env[x].empty? }
  exists && env["CIRRUS_PR"].to_i > 0
end

def initialize(env) 

def initialize(env)
  self.repo_slug = env["CIRRUS_REPO_FULL_NAME"]
  if env["CIRRUS_PR"].to_i > 0
    self.pull_request_id = env["CIRRUS_PR"]
  end
  self.repo_url = env["CIRRUS_GIT_CLONE_URL"]
end

def supported_request_sources 

def supported_request_sources
  @supported_request_sources ||= [Danger::RequestSources::GitHub]
end