gitlab-org--gitlab-foss/danger/metadata/Dangerfile

# frozen_string_literal: true

# rubocop:disable Style/SignalException

DEFAULT_BRANCH = 'master'

THROUGHPUT_LABELS = [
  'Community contribution',
  'security',
  'bug',
  'feature',
  'feature::addition',
  'feature::maintenance',
  'tooling',
  'tooling::pipelines',
  'tooling::workflow',
  'documentation'
].freeze

if gitlab.mr_body.size < 5
  fail "Please provide a proper merge request description."
end

if (THROUGHPUT_LABELS & gitlab.mr_labels).empty?
  warn 'Please add a [merge request type](https://about.gitlab.com/handbook/engineering/metrics/#work-type-classification) to this merge request.'
end

unless gitlab.mr_json["assignee"]
  warn "This merge request does not have any assignee yet. Setting an assignee clarifies who needs to take action on the merge request at any given time."
end

has_milestone = !gitlab.mr_json["milestone"].nil?

unless has_milestone || (helper.security_mr? && gitlab.branch_for_base == DEFAULT_BRANCH)
  warn "This merge request does not refer to an existing milestone.", sticky: false
end

has_pick_into_stable_label = gitlab.mr_labels.find { |label| label.start_with?('Pick into') }

if gitlab.branch_for_base != DEFAULT_BRANCH && !has_pick_into_stable_label && !helper.security_mr?
  warn "Most of the time, merge requests should target `#{DEFAULT_BRANCH}`. Otherwise, please set the relevant `Pick into X.Y` label."
end